250 GLOSSARY. 



Ha-me-rus (Lat.) The bone of the arm between shoulder and elbow. 



Hn'mor (Lat. moisture). The transparent liquid or semifluid substances within 



the eyeball. 

 Hy'gi-ene (Gr. Hygeia, the goddess of health). That department of knowledge 



which deals with the preservation of health. 

 Hy'oid (Gr. the letter w, and eidos, form). U-shaped. The name of the bone at 



the root of the tongue. 



In-ci'sor (Lat. incidcre, to cut into). The name of the front teeth. 



In-spi-rd'tion (Lat. inspirare, to blow or breathe in or upon). The act of drawing 



a breath. 

 In-tes'tlnes (Lat. intestinus, inward). The coiled tube conveying food from the 



stomach. The bowels. 



In-ver'te-brate. Term applied to animals having no back-bone. 

 In-vdl'un-tary (Lat. /, not; voluntarius, acting on free choice). Performed 



without direction from the will; often against the will. 

 I'ris (Lat. the rainbow). The colored part of the eye surrounding the pupil. 



Ju'gu-lar (Lat. jugulum, the hollow part of the neck above the collar-bone). 

 The name of the chief veins of the neck. 



Ldb'y-rlnth (Gr. labyrinthos, a place full of intricate winding passages). The 

 name of the inner portion of the ear. 



Ldch'ry-mal (Lat. lacrima, a tear). Pertaining to or conveying tears. 



Ldc'te-al (Lat. lacteus, milky). The name of the lymphatics or absorbents of the 

 small intestine. During digestion they are filled with milky-looking chyle. 



Ldr'ynx (Gr.) The portion of the air-passage, above the windpipe, in which 

 voice is produced. 



Lig'a-ment {Lat. ligamentum). One of the cords or bands used to bind bones 

 together at joints. 



Lum-bd'go {Lat. lumbus, a loin). A painful rheumatic disease of the muscles of 

 the small of the back. 



Lymph (Lat. lympha, water). A colorless liquid which exudes from the blood- 

 vessels and bathes the tissues and organs. 



Lym-phdt'ic. The name of the vessels which contain lymph. The absorbents. 



Ma' far (Lat. ma/a, the cheek). The name of the cheek-bone. 



Mdl'le-us (Lat. hammer). The name of the outermost bone within the middle ear. 



Mdm-mdl'i-a {Lat. mamma, a breast). The name given to the highest division 



of back-boned animals, because their females suckle the young. 

 Mds-ti-cd'tion {Lat. masticatio). The act of chewing. 

 Max-ll'la (Lat. the jaw). The name of the jaw-bones, upper and lower. 

 Me-d'tus (Lat. a going or course). A passage or channel, as the external auditory 



meatus which leads from the outer to the middle part of the ear. 

 Me-dHl'la ob-lon-gd'ta (Lat. the prolonged or continued marrow). The continua- 

 tion of the spinal cord {medulla spinalis) or marrow, which enters the skull. 

 Mem'brdne (Lat. membrana, the thin skin covering the members or limbs). A 



thin sheet of tissue used to wrap and protect various organs, or to line cavities 



in the body. 

 Mit-a-cdr'pal (Gr. meta, beyond; karpos, the wrist). The name of the bones 



between the wrist and the fingers. 

 MH-a-tar'sal (Gr. from meta. beyond, and tarsal, which see). The name of the 



bones in the front part of the sole of the foot. 



