seepage

(se’paj). 1. Sit- 2. Pertaining 1. Oozing of fluid; percolation: also the quantity of fluid that percolates. 2. Continuous rectal infusion. segment (seg’ment) [L. segmen'tum]. A piece cut off or marked off, either actually or by an imaginary line. ceratobranchial s. Sce stylo hyoid arch, under arch. cranial s., the three segments into which the bones of the cranium may be divided. They are distinguished as the occipital, the parietal, and the frontal. epibranchial s. See sfyilohyoid arch, under arch. hypo branchial s. See stylo hyoid arch, under arch. inter annular s., the portion of a nerve-fiber between two consecu- tive nodes of Ranvier. See serve. medullary 8., divisions of the medullary sheath of a nerve fiber between two succe ive incisions of Schmidt. neural s., a neuromere. occipital s., the posterior of the three cranial segments. See cranial s. pharyngobranc 8. See stylo hyoid arch, under urch. pubic s. of the pelvis, that portion of the floor of the pelvis which is between the symphysis pubis and the anterior wall of the vagina, which latter it includes. Ranvier’s 8᾽8, the portions of the medullary substance of a nerve-fiber between Ranvier’s nodes. rivinian s., an irregular notch at the upper border of the tympanic sulcus. rod-s., the two segments which make up one of the rods of the retina. The oster rod-s. is the portion presenting a uniform diameter, while the inner rod-s. has a slightly increased diameter. sacral s., that portion of the floor of the pelvis which lies between the sacrum and the posterior vaginal wall. Schmidt-Lan term ann’s Β᾽ Β, elongated pieces which seem to compose the medullary substance of nerve-fibers: seen after treatment of the fibers with osmic acid. spinal s., a portion of the spinal cord contained between two imaginary sections, one on each side of a nerve pair. ental (seg-men’tal). Pertaining to or form a segment; undergoing segmentation. segmentation (seg-men-ta’shun). Division into parts more or le similar, especially that which takes place in the fertilized ovum. s8.-cavity. See cavity. centrolecithal s., segmentation in which a central ma of nutritive yolk is surrounded by the segmentation spheres. comlete s. See folal s. holoblastic s. See /otal s. complete Β. See partial s. meroblastic s. See partials. 8.-nucleus. See nucleus. partial 8., a variety in which the formative yolk alone undergoes segmentation. Called also incomplete s. and meroblastic s. 8.-sphere. Sec sphere. total s., a variety in which the entire ovum undergoes segmentation. Called also holoblastic s. and complete s. unequal s., a varicty in which the spheres of one pole are smaller and more numerous than those of the opposite pole. segregator (seg’re-ga-tor). An instrument for se- ‘curing the urine from each kidney separately. Harris’ s., an instrument for collecting the urine from each kidney separately. Luys’ 8., an instrument for collecting the urine from each kidney separately. ’s symptom (sa-ganz’) (Edouard Séguin, rench alienist, 1812-1880]. See under symptom. Seidlitz powder (sid’litz). [Named from a mineral spring in Bohemia]. See powder. seis esthesia (sis-es-the’ze-ah) (Gr. σεῖσις concu ion + alo@nots perception]. The perception of concu ion; a sensation of concu ion. seism esthesia, seis mast hes i a (sis-mes-the'zheah) [Gr. σεισμός shake + αἴσθησις sensation]. Tactile perception of vibrations in a liquid or aérial medium. seismotherapy (siz-mo-ther’ap-e) shake + therapy). mechanic vibration. seizure (se’zhur). The sudden attack or recurrence of a disease. psychic 8., psycholepsy. sejunction (se-junk’shun). An interruption of the continuity of a ociation-complexes which leads to a breaking up of the personality. sekretin (se-kre’tin). Secretin prepared from the duodenum of the pig: used in diabetes. selenin (sel’e-nin). A serum obtained from cultures of Diplococ’cus semiluna’ ris. seleniol (se-le’ne-ol). A colloidal preparation of selenium recommended for the treatment of cancer. seleniovanadium (se-le’’ne-o-va-na’de-um). A proprietary selenium preparation recommended for the treatment of cancer. IGr. σεισμός The treatment of disease by 860 SEMI DECUSSATION