GLOSSARY. 393 



Gastric (gas'-ink). Pertaining to the stomach. 



Gelatin (jel'-a-tin}. An albuminoid substance of jelly-like consistence, 

 obtained by boiling skin, connective tissue, and bones of animals 

 in water. The glue of commerce is an impure variety. 



Glosso-pharyngeal (glos'-o-fa-rin'-je-al}. Pertaining to the tongue and 

 larynx. 



Gluten (glo'-ten}. A substance resembling albumin, and with which it 

 is probably identified ; it occurs abundantly in the seeds of cereals. 



Glycogen (gli'-ko-jen). A white amorphous powder, tasteless and odor- 

 less, forming an opalescent solution with water, and insoluble in 

 alcohol. It is commonly known as animal starch. It occurs in the 

 blood and in the liver, by which it is elaborated, and is changed by 

 diastasic ferments into glucose. 



Gustatory (gus'-ta-to-rl}. Pertaining to the special sense of taste and 

 its organs. 



Hashish (hash'-esh). A preparation from Indian hemp, Cannabis in- 

 dica. It is a powerful narcotic. 



Haversian (ha-ver'-zian). Haversian canal, in bone, a central opening 

 for blood-tubes, surrounded by a number of concentric rings, or 

 lamellae, of bone. 



Hemoglobin (hem-o-glo'-bin). A substance existing in the corpuscles of 

 the blood, and to which their red color is due. 



Hepatic (he-pat'-ik). Pertaining or belonging to the liver. 



Hilum (hi'-lum). A small pit, scar, or opening in an organic structure ; 

 the notch on the internal or concave border of the kidney. 



Humerus (hu'-me-rus}. The bone of the upper arm. 



Humor (/m'-mor). Any liquid, or semi-liquid, part of the body. 



Hyoid (hi'-oid). Having the form of the letter U. The hyoid bone 

 situated between the root of the tongue and the larynx, supporting 

 the tongue and giving attachment to its muscles. 



Hypo-glossal (hi-po-glos'-al}. Under the tongue. 



Iliac (il'-l-ak}. Pertaining to the ilium, or region of the flanks, as iliac 

 artery, vein, etc. 



Incisor (m-si'-sor). The chisel-shaped front teeth. 



Inhibition (in-hi-bish'-un}. The act of checking, restraining, or sup- 

 pressing ; any influence that controls, retards, or restrains. Inhib- 

 itory nerves and centers are those intermediating a modification, 

 stoppage, or suppression of a motor or secretory act already in 

 progress. 



