Lovick Pierce Anthony.

A dictionary of dental science: consisting of words and phrases used in ... online

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center of the long axis of the root
of a tooth from the crown to the apex,
which contains the root portion of
the dental pulp. Also called pulp
canal. [Black.]

nerve r. The part of the nerve
between the cells in which it ter-
minates and the ganglion.
tooth r. That portion of the
tooth that is fixed in the alveolus
and covered with cementuro.
r. trimmer. An instrument used
for shaping and trimming the roots
of natural teeth preparatory to plac-
ing an artificial crown.

ro'py. Having a stringy quality.

ros'in (L. resina). The crystalline resi-
due remaining after mstillation of
turpentine from the pitch of pine
wood.

rot. To decompose.

restate. To turn or twist.

ro-ta'tion (L. roiare. to turn). The
act of turning, or the movement of a
body around its axis.

ro-ta-to'res spi'nss. See Table of
Muscles. -

rot'ten stone. An earthy mineral,
consisting of alumina, carbon and
silica, used for polishing metals.

rouge. A red peroxid of iron powder
used in polishing metals.

Ru. Chemical symbol for rvihenium.

mbber. See caoutchouc.

velum r. Caoutchouc gum with
one-fifth of its weight of sulphur,
which by vulcanizing cannot be made
hard, only tough and elastic.

rubber dam. A thin sheet of very
elastic rubber used for keeping the
teeth dry and clean while performing
operations upon them.
r. d. clamp. An instrument for
holding the rubber dam in place
about the tooth.



RUTHENIUM



r. d. clamp forceps. Forceps de-
signed to facilitate the adjustment
of the r. d. clamp.
r. d. holder. An appliance for
holding the rubber dam so that it
will not interfere with the operator.
r. d. punch. An instrument for
perforating the rubber dam for the
reception of the teeth,
r. d. weight. A weight attached
to the lower part of the rubber dam
so that it will not interfere with the
operator.

rubber sore mouth. An inflammatory
condition of the mucous membrane
of the mouth, due to an improperly
vulcanized or finished vulcanite
denture.

ru-be-f ancient (L. rubor, red + facere,
to make). An agent that produces
redness of the skin.

ru-bel^. False or German measles.

ru-bid^i-um (L. rubidus, red). A red
metallic alkaline element; symbol
Rb.

ru^i-form. A proprietary mouth
preparation.

ru-bi'go. Latin, meaning rust.

ru'bor (L. redness). Redness resulting
from inflammation.

ru-di-men^ta-ry (L. rudis, the first
beginning). Slightly developed.
r. tooth. An imperfectly devel-
oped tooth.

ru'ga, pi. rugcB (L.). A ridge or eleva-
tion.

ruga, palatal. The. ridges in the
anterior portion of the palate or
vault of the mouth.

ru'mi-nant (L. ruminare, to chew the
cud). An animal that chews the
cud, as the cow.

rup'ture (L. rumpere, to break).
Hernia; tearing of a part.

rust. Oxidation of a metallic sub-
stance; a reddish deposit on the sur-
face of metals, particularly iron,
resulting from exposure to moisture.

ru-the'ni-um. A rare hard metalUc
element of the platinum group;
symbol Ru.



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s



254



SALIVARY



S



S. Abbr. for Latin signaj sign ; sinister ,
left; semis^ half; symbol for sidphur.

sac (L. saccus; Gr. sakkos, a bag). A
bag or pouch.

dental s. The sac inclosing the
dental papilla and enamel organ.

sac'cha-ra-ted (L. saccharunij sugar).
Containing sugar.

sac'char-id. A group of carbohy-
drates, including the sugars.

sac'char-in. A white crystalline, ex-
ceedingly sweet substance, obtained
from coal tar. Dose, i to 3 gr.
[0.03 to 0.2 gm.]

sac^char-ine. Having the nature of
sugar.

Sac-char-o-my'ces (Gr. sakcharorif
sugar + mykes, fungus). A genus of
yeasts; Ascospores in a single mem-
brane, germinating by buddmg some-
times with the formation of a rudi-
mentary mycelium.

S. albicans. Synonym of Oidium
albicans.

S. nigrans. Found in cases of black
tongue, lingua nigra.

sac'char-ose (L. saccharunij sugar).
Cane sugar or beet sugar. A di-
saccharid, C12 H22 On.

sac'char-um. Latin, meaning sugar.
s. lactis. Sugar of milk; obtained
from whey in firm masses, and having
a sweet taste.

sac'cu-lus, pi. sacculi (L. dim of saccus).
A small sac.

sac'cus, pi. sacci (L.; Gr. sakkus, a
bag). A bag or pouch.

sack. Same as sa^.

sa'crum (L. sacer, sacred). The bone
forming the posterior part of the
pelvis and a continuation of the ver-
tebral column.

sad'dle. Term applied to the portion
of a bridge or partial denture that
rides over the alveolar border.

sag^it-tal (L. sagittal an arrow). Arrow-
shaped,
s. plane. The median plane of the
body.



s. section. A section made in the
direction of the sagittal suture.

8. sntore. The suture uniting the
parietal bones.

Saint Anthony's fire. Same as erysip-
elaSf which see.

Saint Vitas' dance. Chorea.

sal. Latin, meaning salt.

s. ammoniac. Ammonium chlorid.

s. hepatica. A proprietary efferves-
cing saline laxative.

s. sodss. Sodium subcarbonate.

sal-e-ra'tus (L. sal^ salt + aer, air).
Common potassium carbonate, used
for cooking purposes.

sal'i-cyl-ate. A salt of salicyhc acid.

sal-i-cyric acid. See acid.

sall-fi-a-ble (L. sal, salt + fierij to
become). Capable of forming salts.

sal-im'e-ter (L. soZ, salt + Gr. metronj
measure). An instrument for meas-
uring the strength of saline solutions.

saline (L. salj salt). Containing or
having the nature of salt,
s. solution. A solution containing
salt. See solution.

sall-phen. Sahcylphenetidin; an an-
tipyretic and analgesic crystalline
powder.

sa-li^va (L.). An insipid, transparent,
viscid fluid secreted by the parotid,
submaxillary and sublingual glands.
s. ejector. An attachment to the
fountain spittoon for removing saliva
from the mouth during an operation
upon the teeth.

sal'i-va-ry (L. saliva). Relating to the
saliva.
s. calculus. Concretions, usually
of phosphate and carbonate of lime
and animal matter, precipitated from
the saliva and forming as deposits
about the necks of the teeth.
s. duct. The duct of a salivary
gland.

s. gland. One of the glands that
secrete saliva; the subungual, sub-
maxillary or parotid glands.



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SALIVATE



sal'iy-ate (L. saliva). To cause an
excessive flow of saliva.

sal-iv-a^on. Ptyalism. Excessive
flow of saliva caused by mercurial
preparations and pilocarpin.
mercurial 8. Salivation resulting
from the use of mercury.

sal^iy-a-tor. An agent that causes
salivation.

sal%-in. Same as ptyalin,

sal-i-YO-lifh-iVsis (L. saliva + Gr.
lilhoSf a stone). The formation of
salivary calculus.

sal^o-coU. Phenocoll salicylate; an
antipyretic, antineuralgic and anti-
rheumatic. Dose, 15 to 30 gr.
[1.0 to 2.0 gm.].

sal-o-cre'ol. Trade name of a com-
bination of creosote and salicylic
acid, used externally in rheumatism.

salol. Phenol salicylate. A white
crystalline powder, with antiseptic
and antipyretic properties. Dose, 5
to 15 gr. [0.333 to 1 gm.].

salol>cam'phor. A compound of three
parts of salol and two of camphor;
an antiseptic and analgesic. Dose,
3 to 8 gr. [0.2 to 0.5 gm.].

sal'o-phen. Acetylparamidosalol; a de-
rivative of salol containing 51 per
cent of salicylic acid. It is an anti-
pyretic and antirheumatic; used in
acute rheumatic arthritis. Dose,
5 to 15 gr. [0.3 to 1.0 gm.].

sal-pin-gi^'tis (Gr. salpinx^ tube + itiSy
inflammation). Inflammation of the
Eustachian tube.

sal-pin-go-pha-ryn-f e'os. See Table of
Musdes.

8al'pinx(Gr.,atube). The Eustachian

tube.
salt (L. sal; Gr. hals). 1. Sodium
chlorid or common salt. 2. A com-
pound produced by the action of an
acid on a base, the hydrogen in the
acid being replaced by the base.

acid s. A salt in which some of the
replaceable hydrogen atoms remain.

alkaline s., or basic s. A salt in
which the basic elements predomi-
nate.

doable s. A salt in which two basic
elements combine with the same
acid.

Epsom s. Magnesium sulphate.



255 SANGUINEOUS

Glauber's s. Sodium sulphate.
haloid 8. A salt formed by one of
the halogen group of elements.
Monsers s. Iron subsulphate.
neutral s., normal s. A salt that
is neither acid nor basic.
Rochelle s. Sodium tartrate,
s. solution. A solution of sodium
chlorid in distilled water.

salt-pe'tre (L. «aZ, salt + petra^ rock).
Potassium nitrate.

sal'u-min. Aluminum salicylate, an
astringent antiseptic reddish powder,
used in treatment of pharyngitis.

sal'var-san. Dioxydiamidoarsenoben-
zol, a proprietary preparation used
in syphilis, malaria and pernicious
anemia. It is administered intra-
venously after mixing with dilute
solution of caustic soda.

salve. Ointment.

san^a-tive (L. sanarey to heal). Cura-
tive; having healing qualities.

san-at'o-gen. A proprietary prepara-
tion said to contain 95 per cent milk
casein with 5 per cent sodium glycero-
phosphate; used in gastric disturb-
ances, anemia and nerve affections.

san-a-to'ri-um (L. sanare^ to heal).
An establishment for the treatment
of the sick.

san'a-to-ry. Curative.

sand, molding. Finely granulated
sand mixed with a small amount of
oil, used in making molds for metallic
castings.

san'da-rac (Gr. sandarake). A white
transparent resin; readily soluble in
alcohol and used in dentistry in the
form of varnish as a separating fluid
and for painting plaster casts for
better preservation. Formula, gum
sandarac, 5 ounces; alcohol, 1 pint.

sandpaper disks. Disks of sandpaper
used in the dental engine for cutting
tooth structure or polishing fillings.

sandpaper strips. Sandpaper cut in
strips for polishing fillings.

sanguine [sang'win] (L. sanguis,
blood). Bloody; blood-like,
s. temperament. Active, hopeful.

sang-uin>-ous (L. sanguis, blood).
Relating to blood; having an abun-
dance of blood.



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SANGUIS



256



SATURATED



saug'uis. Latin, meaning blood,

san-i-ta^ri-an (L. sanare, to heal). A
person versed in public health mat-
ters.

san-i-ta'ri-um (L. sanarcj to heal).
An establishment for the treatment
of the sick.

san^i-ta-ry (L. sanare^ to heal). Relat-
ing to or promoting health.

san^i-tas. Latin, meaning health.

san-i-ta^tion (L. sanitasj health). The
establishing of healthful conditions;
making healthful.

san'i-toL Trade name of an antiseptic
mouthwash.

sap'id (L. sapioj to taste). Having
taste.

sapientiflB dentes. Latin phrase mean-
mg wisdom teeth. A term frequently
applied to the third molar teeth.

sa'po. Latin, meaning soap.

sa-po-lan'o-lin. A proprietary prepa-
ration of soft soap and lanolin, used
in eczema.

sa-po-na'ce-ous (L. sapo^ soap). Con-
taining or resembling soap.

sa-pon-i-fi-ca'tion (L. aapo^ soap +
facerCf to make). The process of
converting a substance into soap.

sa-pon'i-fy. To change into soap.

sa-po-nin'. Glucoside occurring in
various plants; it is a local irritant
and emetic.

sap-re'mi-a, sap-ra'mi-a (Gr. sapros,
rotten + haima. blood). Intoxica-
tion resulting irom absorption of
the products of the activity of
saprophytic bacteria into the blood.

sap'ro- (Gr. sapros, putrid). A prefix
indicating decay.

sap-ro-don'tia (Gr. aaproa, rotten +
odouSf tooth). Decay of the teeth.

sap'ro-gen. A saprogenic microorgan-
ism.

sap-ro-fen'ic, si^rof ^en-oos (Gr. sa-
prosy putrid + gennan, to produce).
Inducing putrefaction.

sap'ro-phyte (Gr. saprosj putrid +
phyton, plant). A vegetable organ-
ism that lives upon dead organic
material.

8ap-ro-ph]rt'ic (Gr. saprosy putrid +
phytoriy plant). Relating to a sapro-
phyte.



8ap-ro-iolc (Gr. saproSy putrid + zoouy
animal). Relating to certain pro-
tozoa that live on decaying organic
matter.

Sar^dn-a, pi. sardncB (L., a bundle).
Genus of Schizomycetes consisting
of cocci, dividing in three directions,
grouped in regular packets, which
have been likened to minature bales
of cotton.

8ar'co« (Gr. sarXy flesh). A prefix in-
dicating relation to flesh.

sar^co-blast (Gr. sarXy flesh + hlastosy
germ). The embryonic cell which
gives rise to the muscle ceU.

8ar-co-cys'tis (Gr. aarxy flesh + kystisy
bladder). A species of protozoan
parasites.

sar-co-genlc (Gr. sarXy flesh + gennan,
to produce). Producing flesh.

sar^coid (Gr. sarx, flesh + eidoSy form).
ResembHng flesh.

sar-co-lem^ma (Gr. sarx. flesh +
lemmay sheath). A sheatn surround-
ing muscle fibers.

sar-co-lem^miCi sar-co-lem^moas. Re-
lating to a sarcolemma.

sar-coro-gy (Gr. sarx, flesh + logosy
treatise). The branch of anatomy
that treats of the soft tissues.

8ar-co-ly'8i8 (Gr. sarXy flesh + lyein, to
dissolve). Dissolution of the soft
tissues.

8ar'co-lyte (Gr. sarXy flesh + lyeiny to
dissolve). A cell concerned in pro-
ducing degeneration of the soft tis-
sues.

8ar-co'ma, pi. sarcomata (Gr. sarx,
flesh + oma, tumor). A tiunor.
malignant, composed of embryonal
connective tissue.

sar-co^ma-toos. Relating to sarcoma.

sar-co-iny^ces (Gr. sarx, flesh + mvkes,
fungus). A fungous growth of flesh.

sar-to'ri-os. See Table of Muscles.

sat. Abbr. of saturated.

sat. sol. Abbr. of saturated solution.

sat'a-ra-ted (L. saturare, to fiU). 1.
A state in which a liquid contains
all of a substance that it can hold in
solution, while in contact with some
of that substance in the solid phase
at a given temperature. 2. The state
of a chemical substance having all
its valencies satisfied.



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SATURATION 267

sat-u-ra'tion (L. saturare, to fill). The
act of being saturated.

say'o-nal. Trade name of a prepara-
tion containing soap. It is usea as a
base for ointments.

saw. An instrument with a thin blade
having serrated edges, used for cut-
ting bone or metal.

saz^ol. Trade name of a liquid paraffin,
specially prepared.

Sb. The chemical symbol for stibium
(antimony).

Sc. The chemical symbol for scandium .

scal^ies (L. «ca6ere, to scratch). Itch.
A contagious skin eruption caused
by the presence of the itch-mite.

scale. (L. squama). 1. A small, thin
plate of any substance, as of bone,
epidermis, etc. 2. (L. scala^ a lad-
der). A series of equidistant marks
arranged as a standard of measure.

sca-le'nos, an-ti'cus, me^di-us, and
pos-ti^cos (L.; Gr. skalenos, un-
even). See Table of Muscles,

scaler. An instrument used for re-
moving accretions from the teeth.
Black's s's [G. V. Black, Chicago
dentist, 1836-1915]. A set of scal-
ing instruments devised by Dr. Black.
Kirk's dentate s. A scaling instru-
ment with a dentate cutting surface,
used for removing deposits from the
roots of teeth.

scaling. The act of removing calculus
from the teeth.

scalp. The integument covering the
cranial vault.

scal^pel (L. scalpere, to cut). A small
cutting blade with a convex edge.

scaly. Resembling scales; having or
being covered with scales.

scap'u-la (L.). The shoulder-blade.
The irregular, broad, flat bone of
triangular shape, situated at the
posterior part of the shoulder.

scar (Gr. eschar ay a scab). A mark left
by a sore or wound. A cicatrix.

scar-i-fi-ca'tion (L. scarificare^ to
scratch). A number of small inci-
sions made into the skin with a
lancet.

scar-la-ti'na (L. scarlatinusj scarlet).
Scarlet fever. One of the acute con-
tagious exanthemata, characterized
by a scarlet rash.
17



SCISSORS

scarlet fever. Same as scarlatina.

sche-matlc [skematic] (Gr. schema^
form). A design to illustrate a com-
plex mechanism.

schia-o-f en'e-sis (Gr. schizein, to split
+ genesis J production). Reproduc-
tion by fission or segmentation.

schi-zo-my-cete^ (Gr. schizein, to split
+ mykes, fungus). Any species of
the Schizomycetes.

Schi - 20 - my - ce^tes [ski-zo-my-ce'tes]
(Gr. schizetn, to split + mykes^
fungus). Unicellular microorganisms
that reproduce by division and spore
formation. Bacteria. Fission fungi.

schi-20-my-co^sis. A disease caused
by Schizomycetes.

Schnei-de'ri-an membrane [Conrad
Schneider. German anatomist, 1610-
1680]. The mucous membrane lin-
ing the nose.

Schreger's lines [Christian H. T.
Schreger, Danish anatomist, 1768-
1833]. 1. Markings seen in sections
of enamel due to coincidences in the
curvatures of the individual enamel
rods. 2. Markings in de^tin pro-
duced by coincidences of the primary
curvatures of the dentinal tubes.
[Hopewell-Smith.]

Schreier's method [Emil Schreier,
contemporary Austrian dentist].
The method of cleansing putrescent
root canals by the use of sodium and
potassium. The action of Na. and
K. is through the decomposition of
water, forming hydroxids of the
metals which unite with the fatty
substances, saponifying them, when
they can be washed from the canals.
A violent explosive action occurs on
application of the Na. and K.

Schwann's sheath [Theodor Schwann,

German anatomist, 1810-1882]. The

neurilemma of the nerve fiber.

S.'s white substance. Medullary

sheath of the nerve fiber.

sci-atl-ca (L. sciaticas, the ischium).

Inflammation of the sciatic nerve,
sds'sion (L. sdndere, to cut). Split-
ting; fission.
scis'sors (L. sdndere, to cut). A cut-
ting instrument with two blades held
together by a rivet, so that in closing
they cut the object placed between
them.



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SCLERA 258

Bcle^ra [sklera] (Gr. skUroa, hard).
The hard fibrous coat of the eye.

sde-re^ma (Gr. alderos, hard). An
induration of the cellular tissue.

BCle^ro- [sklero] (Gr. sJderos, hard). A
prefix meaning hard.

Bcle'roid (Gr. sJderoSf hard + eidos,
like). Hard, indurated.

Bcle-ro'ma (Gr. skleroSf hard + omay
tumor). Circumscribed induration
of granulation tissue in the mucous
membrane or skin.

scle-ro-sar-co'ma (Gr. sMeroSy hard +
sarx, flesh + <wia, tumor). A hard
fleshy tumor of the epulis variety.

8cle-rosed^. Hardened, having under-
gone sclerotic degeneration.

sde-ro'sis (Gr. skleros, hard). In-
duration or hardening due to increase
in connective tissue in a part.

8Cle-rotlc. Being hard or indurated.

8CO-li-o^si8 (Gr. skoliosiSy curvature).
Curvature of the spine laterally.

-scope (Gr. skopein, to see). A suffix
meaning to see or examine.

sco-pora'Onin. An alkaloid from sco-
pola, similar to but milder in action
than atropin. Dose of the hydro-
chlorate uiir to A gr. [0.00025 to
0.0011 gm.].

-scopy. A suffix indicating examina-
tion.

scor-bu'tie. Relating to scurvy.
8. teeth. Teeth deficient in amount
of phosphate of lime in the dentin
and enamel during development.

8Cor-ba^ta8. Latin, meaning scurvy.

seo-to'ma, pi. scotomata (Gr. skotoma,
darkness). A fixed blind spot or
temporary patches in the field of
vision.

scrapper. A cutting instrument used
in finishing vulcanite work.

screen, flaoroscope. The plate of a
fluoroscope coated with calcium
tungstate.

screw eleyator. An instrument with
a threaded end used for removing
the roots of broken-down teeth.

scro-bic'u-late (L. scrohicuLuSy a Uttle
trench). Furrowed or pitted.

scro-bic^u-las (L.). A small pit or
furrow.



SECRETIN



serorn-la (L. scroja, sow). A morbid
condition of the lymphatic glands,
characterized by indolent, slow heal-
ing tumors.

scrof^a-lous. Relating to or suffering
from scrofula.

scni^ple. A measure of weight; 20
grains troy weight. Symbol 9.

scor^vy (L. scorhvius). A disease
resulting from lack of proper food
for a length of time — specifically,
from lack of sufficient quantity oi
the antiscorbutic vitamin in the
diet for a length of time. Its symp-
toms are spongy, bleeding gums,
hemorrhages from the mucous mem-
brane, fetor of the breath, etc.

Se. Chemical symbol for selenium.

sea-tanglo- A form of seaweed used
in dried form as a surgical tent.

se-ba^ce-oos (L. sebuw, fat). Relat-
ing to suet or sebum.
s. flands. Glands situated in the
skin which secrete sebaceous matter
of an oily nature.

se-bip^ar-ous (L. sebum, suet + parere^
to produce). Secreting a sebaceous
fluid.

seb Vlite, seb'o-lith (L. ae&um^ suet +
Gr. liihoSy stone). Concretion in a
sebaceous gland.

seb-or-rhe^a, seb-or-rha'a (L. sebum,
suet + Gr. rhoia. flow). A disease of
the sebaceous glands in which there
is an excessive secretion of sebum,
collecting upon the skin and forming
oily scales.

se^um (L.). Suet or fat.

se^co-dont (L. secare, to cut + Gr.
odous, a tooth). Having teeth in
which the cusps of the molars have
sharp cutting edges.

secondary dentin. Dentin formed in
the pulp chamber of a tooth when the
pulp is irritated, representing an
effort on the part of nature to protect
the tooth pulp.

se-cre^ta (L. pL). Secretions.

se-crete' (L. secemere, to separate).
To separate; to form a substance
called secretion from materiab fur-
nished by the blood.

se-cre'tin. A substance secreted by
the epithelial cells of the duodenum
which incites pancreatic secretion.



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SECRETION



269



SENSITIVE



se-cre'tion (L. secemerej to separate).
1. The act of separating substances
from the blood. 2. The substance
separated and secreted.

se-cre'to-ffOfue (L. secernere^ to sepa-
rate + Gr. agogosy leading). An agent
that promotes secretion.

se-cre'to-ry. Relating to secretions.

sec'tio (L. secare, to cut). Latin
meaning section.

sec'tion (L. aectio), 1. The act of
cutting. 2. A portion of the body
or of an organ.

• sagittal s. A cut in a ventro-
dorsal direction through the body
or an organ or portion of the body.

secnndam artem. Latin phrase mean-
ing in an approved manner, Abbr.
s. a.

sedVtive (L. sedare, to soothe). An
agent that depresses the vital forces
thereby allaymg excitement.

sed'i-ment (L. aedere^ to sit). Mate-
rial deposited by precipitation.

86d-i-men-ta'tion. Causing the de-
position of sediment.

seg'ment (L. segmentunij secare j to cut).
A portion of the body marked off
from another part by a real or
imaginary line.

seg-men-ta'tion. To divide into seg-
ments, as the division which takes
place in the fertilized ovum.

Seid^lxts powder. An effervescent
aperient powder.

selen-ite. A pearly translucent form
of calcium sulphate.

se-le^ni-um (Gr. selene, moon). A
rare non-metallic chemical element
resembling sulphur in its properties.
Symbol, Se.

sele-no-dont (Gr. seHenCy moon +
odous, tooth). Having teeth with
longitudinal crescent-shaped ridges,
as the molar teeth. Paleontological
term.

self-limited. Limited by its own
action.

sel^ tur'ci-ca. The saddle-like de-
pression at the upper surface of the
sphenoid bone in which is lodged the
pituitary gland.

sem-ei-og'ra-phy (Gr. semeion, sign +
graphCy writing). Description of the
signs or symptoms of disease.



sem-ei-oro-gy, sem-i-oro-gy (Gr. se-
meiony sign + logos, treatise). Study
of the signs and symptoms of disease.

sem-ei-otlc. Relating to symptoms of
disease.

se-men-aM-a (L. semeny seed + Gr.
ouronj urine). The discharge of
semen in the urine.

sem'i- (L. semis, half). A prefix
meaning half.

sem-i-cre'tin-ism. Cretinism in a mild
or partial form.

sem-i-ciiml>ent. Partially recumbent.

sem-i-flex'ion. The position half-way
between flexion and extension.

sem-i-ln^nar (L. semi, half + luna,
moon). Having the shape of a half
moon; crescentic.

sem-i-lnx-a'tion. Partial dislocation.

sem-i-nor'mal. Half the normal stand-
ard strength.

sem-i-prone'. Half-way between the
position of pronation and supination.

se'mis. Latin, meaning half; abbr., ss,

sem-ivVlent. Having half the nor-
mal valency.

se-nes'cence (L. senescere, to grow old).
Old age.

se'nile (L. senerr, gen. seniliSf old).
Relating to old age.

se'nil-ism. Premature old age.

se-nil'i-ty. Old age.

sen-sa'tion (L. sensaiiSf from sentire,
to feel). An impression conveyed by
stimulation of an afferent nerve.

sense (L. sentire, to feel). A faculty
by which stimuli from external
bodies are received and transformed
into sensations.

sen-si-bil'i-ty (L. sentire, to feel + ha-
hUis, able). The faculty of receiv-
ing and transmitting impressions and
having the consciousness of them.

sen'si-ble. Having the faculty of
sensation; perceptible by the senses.

sen-sif^er-ous (L. sensus, sense +
ferre, to carry). Carrying sensa-
tions.

sen-sig'en-oiis (L. sensus, sense +
Gr. gennan, to produce). Giving rise
to sensory impulses.

sen'si-tive (L. sensiiivus, sense). Cap-
able of receiving ana transmitting
sensations.



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SENSITIZATION



260



SERIES



sen-8i-ti-za'tion. The act of render-
ing a cell sensitive to the action of a
complement through treatment with
a specific amboceptor; also, render-
ing an organism susceptible to the
action of a foreign protein, as e. g.,
in anaphylaxis. See Ehrlich*s side-
chain theory.

sen-si-ti'zed. Made sensitive.

8en-80-mo'tor. Concerned with both
sensory and motor impulses.

sen-so'ri-um (L. sentire, to feel).



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