GLOSSARY 445 



Innominate. (From the Latin words in, "without;" nomen, "a 

 name.") Unnamed, unnamable; as innominate bone or artery, due to 

 its not resembling any known object. 



Inorganic. Not organic; not produced by animal or vegetable organ- 

 isms, as an inorganic compound. 



Insalivation. (From the Latin words in, "in;" saliva, "the spittle.") 

 The act of mixing the food with saliva when chewed (mastication) . 



Inter. (From the Latin word inter, "between.") Between any 

 structures. 



Interarticular. Between joints. 



Interauricular. Between the auricles of the heart. 



Intercellular. Between the cells. 



Intercondylar. Between the condyles, as the intercondylar notch of 

 the femur bone. 



Intercostal. Between the ribs, as intercostal muscles, arteries, nerves, 

 and spaces. 



Interlobular. Between the lobules of the liver, referring to inter- 

 lobular veins and arteries. 



Intermuscular (septa). Between muscles. 



Interosseous. Between bones. 



Intertrochanteric (line). Between the trochanters of femur. 



Interventricular. Between the ventricles of the heart. 



Intralobular. (From the Latin words intra, "within;" lobulus, "a 

 little lobe.") Within a lobule, as an intralobular vein of liver. 



Intrinsic. (From the Latin word mtrinsecus, "on the inside.") 

 Inherent, situated within; peculiar to a part, as the intrinsic muscles 

 of the eye. 



Involuntary. (From the Latin words in, "not;" velle, "to will.") 

 Performed or acting independently of the will, as involuntary muscle. 



Ischium. The bone forming the back and lower part of the innomi- 

 nate bone. 



Jejunum. (From the Latin word jejenus, "empty;" because it is 

 usually found empty after death.) The second portion of the small 

 intestine extending between the duodenum and ileum and measuring 

 about eight feet in length. 



Katabolism. Physiologic disintegration of the products of metab- 

 olism. The opposite of anabolism. (See Anabolisrn.) 



Kinetic (energy). (From the Greek word meaning to move.) 

 Producing motion. 



Labyrinth. (From the Greek word meaning a maze.) The name 



fiven to the series of cavities of the internal ear comprising the vesti- 

 ule, cochlea, and semicircular canals. 



Lacrimal. (From the Latin word lacrima, "a tear.") Pertaining 

 to the tears, or the organs containing or secreting them. 



Lactation. (From the Latin word lactere, "to suckle.") The 

 period during which the child is nourished from the breast. 



Lacteal. (From the Latin word lac, "milk.") Resembling milk. 

 Any one of the lymphatic ducts of the villi of the small intestine which 

 take up the chyle; the chyle resembling rnilk as to color. 



Lacuna (pi. SB). (From the Latin word lacus, "a lake.") A lake, 

 as the lacuna? of bone construction. 



Lamella (pi. ae). (Dim. of the Latin word lamina, "a plate.") A 

 thin scale or plate. 



