SITUS 



1333 



SKIN 



Situs {si' -tits) [situs, site]. A position. S. viscerum 

 inversus, an anomaly in which the organs or viscera 

 of the body are changed from the normal to the 

 opposite side of the body. 



Sitzbath {sits' -bath) [Ger. , sitz, a seat ; bath~\. A hip- 

 i or half-bath ; a bath taken in a sitting posture ; 

 semicupium. 



Sivvens {siv'-enz). Same as Sibbcns. 



Size ( is) [ME., sise, size]. Extent or volume. S.- 

 glue. See Glue. 



Sizy {si'-ze) [siza, glue]. Viscous, like glue or size. 



Sizygium {si-zig'-e-tim). See St 



Skatol [skat'-ol) [onaroq, gen. of GKup, dung, dirt], C 9 - 

 H ,N. The principal aromatic product of the decomposi- 

 tion of albumin in the intestinal canal. It resembles 

 indol, crystallizes in brilliant, white plates, and pos- 

 ;s an intense fecal odor. It fuses at 93. 5 C, 

 and is soluble with difficulty in water. Warmed with 

 dilute hydrochloric acid or nitric acid it gives a violet 

 color. Its vapor-density is 65.2. Serum-albumin 

 digested with pancreas and water at 36 C. for from 

 six to ten days yields skatol on distillation ; two and 

 a half kilograms of albumin give one gram of skatol. 



Skatophagia {skat-o-fa' -je-ah) . See Scatophagia. 



Skatoxyl {skat - oks' '- il) [cnup {anar-), dung; b^vq, 

 acid]. A product of the oxidation of skatol. It is 

 obtained from the urine in cases of disease of the 

 large intestine. 



Skeer's Symptom. See Signs and Symptoms, Table of. 



Skein {skan) [ME., skeyne, skein]. I. A fixed length 

 of any thread or yarn of silk or other material, doubled 

 again and again and knotted. 2. A synonym of 

 Spirem. S., Close. See Spirent. S., Loose, the 

 thickened chromatin fibrils resulting from a loosening 

 of the spirem or close skein in mitotic cell-division. 



Skeletins {skel' -et-ins) \gkzaitov, skeleton]. A name 

 given to a number of insoluble epithelial products 

 found chiefly in invertebrates. The group includes 

 chitin, conchiolin, cornein, spongin, fibroin, and silk. 



Skeletization {skel-et-iz-a' '-shun) [okeaetov, skeleton]. 

 Removal of the soft parts and leaving only the skele- 

 ton. 



Skeletography {skel-et-og' -ra-fe) \okeaet6v, skeleton ; 

 ypaoeiv, to write]. A description of the skeleton. 



Skeletology {skel-et-ol' -o-je) \gkeaet6v, skeleton ; A&yoq, 

 science]. The sum of knowledge concerning the 

 skeleton. See Osteology. 



Skeleton {skel* -et-on) \okeaet6v, a dried body, a skele- 

 ton]. In biology, the supporting or inclosing structure 

 for sustaining or protecting the soft parts of an organ- 

 ism. Cf. Endoskeleton, Exoskeleton, Dermoskeleton, 

 Scleroskeleton, Splanehnoskeleton. S., Cartilaginous, 

 the cartilaginous development from which the bony 

 skeleton is formed through ossification. 



Skeletonize {skel' -et-on-iz) [ckeaetov, skeleton]. To 

 remove all the soft parts, leaving only the skeleton. 



Skelos {ske'-los) [or/c^oc, the leg: //., Skelea"]. In bi- 

 °l°gy> the vertebrate hind limb taken as a whole ; it 

 includes the meros or thigh, the crus or leg, and the 

 i pes or foot. Cf. Annus. 



Skene's Glands. See Gland. S.'s Instillation- 

 tube, a tube or pipet used for making applications of 

 drugs to the interior of the uterus. S.'s Tubes, 

 minute tubular outgrowths from the rudiments of the 

 Wolffian ducts, corresponding to the vesicuke semi- 

 nale- in the male. 



Skew Muscles. Triangular-shaped or quadrilateral- 

 shaped muscles, the plane of whose line of origin 

 intersects that of the insertion. 



Skiagram {ski' -ag-rani) [trwo, shadow ; ypapjia, a 

 writing]. The finished printed X-ray picture. 



Skiagraph {ski'-ag-raf). See Skiagram. 



Skiagraphy {ski-ag' -ra-fe) \pKia, shadow ; ypaoeiv, to 

 write]. Photography by the X-Rays. Skotography, 

 Skiography, Radiography, Electrography, Electro-skia- 

 graphy, Rontography, and the New Photography, are 

 names that have been used to designate the method. 



Skiascopy {ski-as' -ko-pe). See Retinoscopy. 



Head. 



Tarsus. 



Metatarsus. 



Phalanges. 



Bony Skeleton. 



Skin [ME., skin, skin]. The external protective mem- 

 branous covering of the body. Also the chief organ of 

 touch. It is composed of three layers, the epidermis, 

 or scarf-skin, the cutis (derma), or true skin, and the 

 rete mucosum, which gives the color to the skin. S.- 

 bone, an ossification of the skin. S. -bound, affected 

 with sclerema, q. v. See also Scleroderma. S., 

 Bronzed. See Addison's Disease. S. -disease, a 

 disease of the cutaneous surface. A classification of 

 skin-diseases is appended. S., Fish. See Ichthyosis. 

 S., Glossy, a neurotic dermatosis in which the skin 

 becomes smooth and glossy. S., Goldbeaters', a 

 thin, tenacious sheet from the cecum of cattle, occa- 



