Gracilis (Lat., slender), a muscle placed superficially on the inner part of the thigh.

Granulation (Lat. granulum, dim. of granum, a grain), fleshy outgrowths by which wounds are repaired.

Gregarina (Lat. grex, a herd), a genus of parasitic protozoa of very simple nature.

Gubernaculum testis (Lat.), the cord attached above the lower end of the epididymis to direct the descent of the testicle in foetal life.

Guttural (Lat. guttural is, from guttur, the throat), pertaining to the throat: in the horse, the large air-sacs lying behind the pharynx are termed the guttural pouches.

H

Habitat (Lat. habitarc, to dwell), the natural locality and geographical range of an animal or plant.

Haemoglobin (Gr. haima, blood; Lat. globus, a round body), a colloid or crystalline substance existing in the corpuscles of the blood, to which their red colour is due.

Hemoglobinuria (from haemoglobin, and Gr. ouron, urine), the presence of the red colouring matter of the blood in the urine. See above entry.

Haemoptysis (Gr. haima, blood, and ptyein, to spit), discharge of blood from the stomach.

Helminth (Gr. helmins, worm), an intestinal worm.

Hemiplegia (Gr. hemi, half, and plege, stroke), paralysis of one side of the body.

Hepatic (Gr. hepatikos, hepar, liver), pertaining to the liver.

Heredity (Lat. hereditas, from heres, an heir), the transmission of qualities or conditions possessed by the parent to the offspring.

Herniotome (Lat. hernia, hernia; Gr. tomos, cutting), a hernia knife.

Herniotomy (Lat. hentia, hernia; temnein, to cut), an operation for the relief of hernia by section of the constriction.

Herpes (Gr. herpes, herpein, to creep), an acute disease of the skin in which groups of vesicles appear on a patch of inflammation.

Hiatus (Lat. hiare, to gape), a blank space or opening, as the hiatus aorticus.

Humerus (Lat.), the bone of the upper arm; in the horse, the bone between the knee and shoulder.

Hyaloid (Gr. hyalos, glass, and eidos, likeness), transparent like glass.

Hydatid (Gr. hydatis), a sort of bag or sac containing fluid, being the form which a tape-worm may assume within an animal body; an echinococcus.

Hydrogen (Gr. hydor, water, and gennan, to produce), a gas occurring in nature chiefly in water, which consists of hydrogen and oxygen.

Hydrophobia (Gr. hydor, water, and phobos, dread), a symptom of rabies consisting of an inability to swallow water.

Hygiene (Gr. hyoicinos, good for health), the science of the laws of health.

Hymen (Gr. hymen, membrane), a fold of mucous membrane at the entrance to the vagina.

Hyoid (Gr. hyocides, similar to the Greek letter Upsilon or our letter Y), a term applied to various parts in anatomy, from their peculiar shape.

Hyperemia (Gr. hyper, over, and haima, blood), a condition of congestion or excess of blood.

Hyperaesthesia (Gr. hyper, over, and aisthesis, sensation), exalted sensibility of the skin.

Hypertrophy (Gr. hyper, over, and trophe, nourishment), excessive growth in the size of an organ.

Hypnotic (Gr. hypnos, sleep), pertaining to sleep; a remedy that causes sleep.

Hypodermic (Gr. hypo, under, and derma, the skin), pertaining to the introduction of medicines beneath the skin.

I

Icterus (Gr. ikteros, jaundice), jaundice.

Idiopathic (Gr. idios, own, and pathos, disease), not consequent on or dependent upon another disease, but having a known or recognized cause of its own.

Idiosyncrasy (Gr. idios, own, syn, together, krasis, a mixing), the special temperament pertaining to a person or an animal.

Ilium (Lat.), the haunch bone, or part of the innominate bone next the backbone.

Incisors (Lat. incidere, to cut), the cutting teeth, the six most anterior teeth in each jaw.

Incubation (Lat. incubare, to sit on eggs), the period which elapses between the implanting of the contagion and the development of a disease.

Indigenous (Lat. indu, in; gignere, to beget), native, not exotic.

Indolent (Lat. in, not; dolere, to feel pain), painless or sluggish, applied to ulcers, tumours, etc.

In extremis (Lat. in, in ; extremus, last), a term implying extreme danger, or at the point of death.

Inflammation (Lat. injlammatio, a burning), a condition in which there is an abnormal accumulation of blood, with multiplication of the cells of the tissue or organ, attended with heat, pain, and swelling of the part.

Infundibulum (Lat. infundere, to pour into), the funnel-like depression on the crown of a tooth.

Infusoria (Lat. infusum, an infusion), a class of microscopic ciliated protozoa, being minute organisms found in fluids.

Inguinal (Lat. inguen, the groin), pertaining to the groin; inguinal canal, the canal which contains the spermatic cord in the male, and the round ligament in the female.

Innominate (Lat. in, without; nomen, a name), the term given to an irregular-shaped bone, the os inno-minatum, forming the sides and floor of the pelvis.

Insemination (Lat. inscminare, to plant seed), the introduction of the semen of the male into the uterus of the female.

Insufflation (Lat. in, in; sufflare, to puff), blowing any powder upon a surface or into a cavity.

Integument (Lat. integumentum - in, upon, tegere, to cover), an outer layer or covering, especially the skin.

Intercostal (Lat. inter, between; costa, a rib), applied to the space between the ribs.

Intercurrent (Lat. inter, between ; currere, to run), applied to a disease arising during the existence of another disease in the same animal.

Intermaxillary (Lat. inter, between; maxilla, jawbone), between the maxillary or upper jaw-bones.

Intertrigo (Lat. inter, between; terere, to rub), an eruption or soreness of the skin produced by friction.

Intervertebral (Lat. inter, between; vertebra, a bone of the spine), between the vertebras.