in the stomach from the albu-

minoids. 80.

PERICARDIUM. The membrane
enclosing the heart. 126.
PERILYMPH. The fluid within
the bony labyrinth of the ear.
386.
PERINEUM (Teрivew, I flow
round). The space between
the anus and organs of gene-
ration. 403.
PERISTALTIC (TEρɩ, about; σTEλ-
λo, I send). The peculiar roll-
ing motion of the intestines.
90.
PERITONEUM (TELW, I stretch).
The serous membrane lining
the abdominal cavity.
PERSPIRATION (per, through;
spiro, I breathe). The exhal-
ation of fluid from the skin.
337.
PETECHIA (petechio, a flea-bite).
Red spots of effused blood in
fever.
PEYER'S GLANDS. The agmi-

nate intestinal glands. 89.
PHARYNX (papuys). The dila-
ted tube between the mouth
and œsophagus. 73.
PHIMOSIS (pow, I constrict).

A condition of the prepuce
by which the glans cannot be
uncovered.
PHLEBOLITHES (pλey, a vein;
Abos, a stone). The con-
cretions sometimes found in
veins.

PHLYCTENA (φλυω, I bubble
up). A large elevation of the
cuticle filled with serum.
PHOSPHATES of lime and mag-
nesia. 39.
PHOSPHORUS. 41.

Aoyos, a law). The supposed
science by which the disposi-

tion and qualities of the mind
are made known by the exter-
nal configuration of the skull.
285.

PHTHISIS (0w, I consume).
Consumption, or tubercular
disease of the lung. 447.
PHYMA (puw, I grow). A
swelling usually ending in
gangrene.
PHYMATIN. 86.
PHYSIOLOGY (quois, nature;
Xoyos, a discourse). The sci-
ence which treats of the func-
tions of the various parts of
the animal economy. 11.
PIA MATER. The vascular tissue
surrounding the brain and
spinal cord. 259.
PICA (the magpie).

A de-
praved appetite for clay and
filth.
PICROMEL (TIKрos bitter, mel,
honey). A principle of the
bile.
PIGMENTS. 49.

PIGMENTUM NIGRUM. 364.
PINEAL (pinus, a pine). A small
body in the brain lying on the
corpora quadrigemina. 244.
PITUITARY BODY (pituita, mu-
cus). A small body lying on
the upper surface of the body
of the sphenoid bone in the
sella turcica, formerly sup-
posed to secrete the mucus of
the nostrils. 244.
PLACENTA (Tλakovs, a cake). A
flat vascular mass by which
the connexion is maintained
between the foetus and mother.

410.

RANINE (rana, a frog). Belong-
ing to the tongue.
RAPHE (papis, a needle). A
term given to parts which look
as if sewn together.
REASON. 285.

RECTUM (rectus, straight). The
last part of the large intestine.

91.
REFLEX ACTION. The act where-
by an impression being con-
veyed by a sensitive nerve to
the nervous centre, the im-
pulse of motion is conveyed
to certain muscles by a motor
nerve without the will of the
individual. 267.
REFLECTION. The turning back
of a ray of light from a polish-
ed surface. 373.
REFRACTION (re, against; fran-
go, I break). The changes of
direction in a ray of light
while passing through media
of different densities. 374.
REMITTENT. Applied to dis-
eases which have periodical
abatements.

398.

RENAL ARTERIES (pev, the kid-
ney) 197.
REPAIR. 437.'
REPRODUCTION.
RESERVED AIR. Air expelled
by a forced expiration. 158.
RESIDUAL AIR. The air which
always remains in the lung,
and which cannot be expelled
by any effort. 158.
RESPIRATION (spiro, I breathe,

RESPIRATORY FOOD. 52.
RESTIFORM BODIES (restis, a
rope). Posterior part of me-
dulla oblongata. 276.
RETE MIRABILE. The division
of an artery into branches,
which again re-unite. 142.
RETE MUCOSUM. The soft un-
derlayer of the cuticle. 233.
RETINA (rete, a net). The ner-
vous coat of the eye. 368.
RHEUMATISM (pevua, watery
fluid). A painful constitu-
tional disease attacking the
fibrous tissues, joints, and
muscles. 424.

RHINENCEPHALON (p1v, the
nose; èуkepaλov, the head).
One of the cranial vertebræ.
25.

RHYTHм (veμos, proportion).
The regular succession of the
actions of the heart. 133.
RIGOR MORTIS. The stiffening
of the body after death. 319.
RIMA GLOTTIDIS. The narrow-
est part of the larynx. 324.
ROOTS of nerves. 271.
RUNNING. 322.
RUYSCH, membrane of.

The

arterial layer of the choroid of
the eye. 363.

SACCHARINE FOOD. 52.
SACCULAR stage of the develop-
ment of the teeth. 69.
SACCULUS. Part of the mem-

branous labyrinth in the ear.
SACRUM (sacer, sacred). The
largest piece of the vertebral
column placed at the back of
the pelvis.

mixes with food during mas-

The separation of substances
from the blood. 177.

convert into soap.

486.

SAPONIFIABLE FATS. 43.
SARCINA VENTRICULI.
SARCOLEMMA (oaps, flesh); λeμ-
ua, a sheath). The sheath of
muscular fibre. 314.
SARCOUS ELEMENT. The sub-
stance of which muscular fibre
is made up. 314.
SCALA TYMPANI. The part of
the cochlea that communicates
with the tympanum. 386.
SCALA VESTIBULI. The part of
the cochleathat communicates
with the vestibule.
SCAPHOID (σkapоs, a boat; e-
dos, like). Resembling a boat.
SCHINDYLESIS (σxivduλnois, a
cleft). A form of joint where
a ridge of one bone is received
into a groove in another.

305.

SCHNEIDERIAN

386.

MEMBRANE.

385.

SEROLIN. A fatty matter of the
blood. 45.

SEROSITY. The water and salts
of the blood). 118.
SEROUS MEMBRANES. 303.
SESAMOID BONES (σnoaμov, a
grain). Osseous nodules de-
veloped in tendons.
SEVENTH pair of nerves.
SEX. 399.

SIGHT. 353.

SILICA. 38.

SINUS UROGENITALIS.

393.

The

common tube in the fœtus
into which the duct of the
Wolffian body and the intes-
tine open. 412.
SINUSES, CRANIAL. The cere-
bral veins, formed by splitting
of the dura mater. 263.
SIXTH NERVE. 358.
SKELETON (σKеλλ∞, I dry). The
dry bones of an animal, 306-
homology of, 23.

SMELL. 349.
SNEEZING. 157.
SOAP. A combination of a fatty
acid and an alkali.

SODA.

Carbonate, 40-phos-

phate, 41.

SODIUM. Chloride. 40.

(sebum,

SOLITARY GLANDS. 89.

SOMNAMBULISM. 287.

329.

SPASM (σTaw, I draw). An ab-
normal involuntary muscular
contraction. 483.
SPEAKING MACHING.
SPECIES. A collection of indi-
viduals supposed to be de-
scended from a common pa-
rent.

SPECTRA. 378.
SPEECH. 329.
SPERMATOZOA (σлeрμа, seed;
(wov, on animal). Floating
cells in animal semen, suppos-
ed to be distinct animals. 402.
SPHENOID (ony, a wedge).

One of the cranial bones. 27.
SPHERICAL ABERRATION. 376:
SPHINCTER. A circular muscle
constricting an orifice in the
body.

SPHYGMOMETER (σpvyμos, the
pulse; METρov, a measure).
An instrument for measuring
the pulse.

SPIGOT. A subdivision of the
middle lobe of the cerebellum.
SPINAL marrow, 264-nerves,
271.

SPIRAL LAMINA. The plate se-
parating the two scale in the
cochlea. 386.
SPIROMETER (spiro, I breathe;
μεтроν, a measure). An in-
strument to measure the quan-
tity of air exhaled from the
lungs. 159.

STAPEDIUS. A muscle attached
to the stapes. 383.
STARCH. 42.
STAPHYLORAPHE (σTaquλn, the
uvula; parтw, I sew). The
operation of uniting a divided
palate by suture.
STEARIN. A fatty principle. 44.
STEREOSCOPE (σTEPEOs, solid;

σκοπέω, I see). An instru-
ment by which two images of
an object, taken from different
standpoints, are seen as if one.
STHENIC (σevos, strength). At-

tended with a morbid increase
of vital action.
STILLICIDIUM (stillo, I drop).
A dribbling of fluid.
STOMACH, 76-coats of, 76-
motions, 78-glands, 77.
STRIATA CORPORA. Eminences
in the lateral cerebral ventri-
cles. 281.
STRIPED MUSCULAR FIBRES.
313.

STROMA. The matrix or par-
enchyma.

SUCCUS INTESTINALIS.

The

intestinal fluid. 90.
SUCROSE. Cane sugar. 42.
SUDORIFEROUS GLANDS (sudor,
sweat; fero, I bear). Sweat
glands. 337.

SUGAR, 42-tests for, 42.
SULPHUR. 41.

SULPHOCYANIDE of potassium,
in saliva. 72.
SUPRARENAL (supra, above;
ren, the kidney). The term
applied to a body lying above
the kidney. 240.
SWALLOWING. 73.
SWEAT. 337.

bones of the ear. 384.

289.