Intestine

(in-tes/-tin). The part of the digestive tube extending from the beginning of the duodenum to the anus. I., Large, comprises nifying within. I. -abdominal, within the cavity of the abdomen. I. -arachnoid, within the arachnoid space. I. -articular, within a joint. I. -capsular, within the capsular ligament of a joint. Intra biontic (in-trah-bi-on' -tik). In biology, applied to phenomena occurring within, and determined by, an individual organism. I. Selection, Weismann's term for the principle formulated by Roux, of the struggle of the parts concerned in ontogeny. Intracardiac. Situated or produced within the (in-trah-kar-til-ajf-in-us). Within a cartilage. I. O ification. See O ification. Intracellular (in-tra-sel' '-u-lar). In biology-, existing or happening within the cell. I. Digestion, also called parenchymatous digestion; digestion as exhibited by unicellular organisms. I. Pangenesis. See Heredity and The Large Intestine. a. Entrance of the small intestine, b. Appendix vermiform is. c. Caput caecum col i. d. Transverse colon, e. Descending colon, f. Sigmoid flexure. A. Rectum, i. Anus. the cecum, colon, and rectum. I., Small, consists of the duodenum, jejunum, and ileum.