SCALARIFORM 



1296 



SCAPHOLUNAR 



organs of hearing. S., Posterior Cochleal. Synonym 

 of S. tympani. S., Superior Cochlear. S.vestibuli. 

 S. tympani, the canal lying below the osseous 

 lamina and the basilar membrane of the internal ear. 

 S. vestibuli, the canal bounded by the osseous 

 lamina and the membrane of Reissner. See Ear. 



Scalariform (ska-lar' -if-orm) \scalaria, a ladder ; 

 forma, form]. In biology, shaped like a ladder. 

 Applied to ducts or vessels on which the markings are 

 so placed as to resemble the rounds and spaces of a 

 ladder. 



Scald (skawld) [ME. ,scalden, to scald]. I. The burn 

 caused by hot liquids or vapors. 2. A scabby skin- 

 disease, especially of the scalp. S.-head. See 

 Favus. 



Scale (ska/) [ME., scale, a scale]. Of fishes, any one 

 of the small semi-opaque laminae of modified epidermis 

 covering the surface of the body. 2. An exfoliated 

 shell of bone. 3. The semi-opaque laminae of horny 

 epidermis occurring upon the skin in various skin-dis- 

 eases. See Squama. Ss., Hair, the imbricated plate- 

 like cells forming the cortical portion of a hair. 



Scale \_scala, ladder]. A series of marks placed at regu- 

 lar distances from each other and used as standards 

 in measuring. S., Centigrade, S., Fahrenheit, S., 

 Reaumur. See Thermometer. 



Scalene (ska'-len) \Gna\t]v6q, uneven]. Of a figure 

 having unequal sides. 



Scalenus (ska-le' '-nus). See Muscles, Table of. 



Scaler (ska'-ler) [ME., scale, scale]. In dentistry, an 

 instrument for removing the tartar from the teeth. 



Scalesiasis (ska-le-si'-as-is). Synonym of Measles. 



Scaling (ska' -ling) [ME., scale, scale]. Desquamating ; 

 producing scales. S. the Teeth, an old name for 

 the operation, in dentistry, which consists in the re- 

 moval of salivary calculus, commonly called tartar, 

 from the teeth. See Salivary Calculus. 



Scall (shawl) [ME., skalle, a scab]. Favus, impetigo, 

 psoriasis, eczema, or other skin-disease. [Old.] S., 

 Dry, psoriasis, scabies. S., Moist, eczema. 



Scalled (skawld) [ME., skalle, a scab]. Affected with 

 scall. 



Scalma (skal' -mah) [OHG., scalmo, pestilence]. A 

 contagious and infectious febrile disease of the horse, 

 with local lesions of the bronchi, trachea, and larynx, 

 which produce cough. It is further characterized by 

 great irritability of temper. It is rarely fatal, except 

 from complications. 



Scalp (skalp) [ME., scalp, the top of the head]. The 

 integumentary covering of the cranium. S., Hairy, 

 that portion of the scalp usually covered by hair. 



Scalpel (skal-pel') \_scalpellitm, a little knife]. A small 

 knife, having a blade somewhat wider than a bistoury, 

 the cutting edge being convex. 



Scalpellum (skal-pel' -um) [L., a surgical knife]. In 

 biology, one of the lancet-like organs of the promus- 

 cis of certain insects (Hemiptera). 



Scalper (skal' per) [L.]. See Scalprum. 



Scalping (skal' -ping). See Gerdy's Operation in 

 Table of Operations. 



Scalpriform (skal' -prif-orm) \_scalprum, a knife, chisel ; 

 forma, form]. In biology, chisel-shaped ; applied to 

 the incisor teeth of rodents and some other mammals. 



Scalprum (skal'-prum) \_scalpere, to scrape]. A toothed 

 raspatory used in trephining and in removing carious 

 bone. 



Scaly (ska'-le) [ME., scale, scale]. Covered with or 

 having scales. S. Tetter. See Psoriasis. 



Scammonin (skatn' - o • nin) [onafiuuvia, scammony], 

 C M H M O ie . A glucosid found in scammony. It may 

 be identical with jalapin. 



Scammonium, Scammoneum, Scammony (skam-o'- 



ne-um, skam'-o-ne) [anafifiwvia, scammony : gen.. Scam- 

 monW]. A purgative gum-resin, the dried juice of the 

 root of Convolvulus scammonia, a South-western Asiatic 

 plant. It is generally given in combination with other 

 drugs. Its properties are due to an active principle, 

 jalapin. A drastic cathartic. Dose gr. v-x. S M 

 Confectio (B. P.) Dose gr. x-xx. S., Mist. (B. P.) 

 Dose gss-ij. S., Pit., Comp. (B. P.) Dose gr. v. 

 S., Pulv., Comp. (B. P.), contains scammony, ginger, 

 and jalap. Dose gr. x-xx. S., Resina. Dose gr. 

 iij-viij. 



Scandent (skan'-dent) \scandere, climb]. In biology, 

 climbing. Applied to stems that climb by means of 

 organs modified for the purpose. 



Scandium (skan' -de-um) \_Scandia, Scandinavia]. A 

 metal belonging to the aluminum group. Symbol 

 Sc ; atomic weight 44. See Elements, Table of. 



Scanning (skan'-ing) \jcandere, to climb]. A peculiar, 

 slow, and measured form of speech, met with in vari- 

 ous nervous affections, chiefly in multiple sclerosis. 



Scansorius (skan-so'-re-us). See Muscles, Table of . 



Scape (skap) [oaanoc, a shaft, a staff]. In biology, a 

 leafless, radical peduncle. 



Scapel (skap' -el) [scapellus, dim. of scapus, scape]. In 

 biology, the neck or caulicle of the germinating 

 embryo. 



Scapha (ska' -f ah) [cuacpr/, trough]. A trough. 



Scaphidium (ska-fid' -e-um) [omcpidiov, a small tub or 

 skiff]. In biology, the receptacle of the spores in 

 certain algae. 



Scaphion (skaf -e-on) [(waipiov, dim. ofcuatyT], a trough]. 

 Synonym of Cranium. 



Scaphium (ska' -fe-um) [aaatyiov, a bowl, a basin : //.. 

 Scaphia\ In biology: (a) the carina or keel of a 

 papilionaceous flower ; (b) an unpaired appendage of 

 lepidopterous insects. 



Scaphocephalic (skafo-sefal'-ik). See Scaphocepha- 

 lous. 



Scaphocephalism (skafo-sef'-al-izm). See S 

 cephaly. 



Scaphocephalous (skafo-sef'-al-us) [omitr], a skirl : 

 Ke(j>a/j;, head]. Characterized by a boat-shapt 

 pearance of the cranium, arising from ossificaii 

 the sagittal suture in infancy. 



Scaphocephalus (skaf- - sef- al- us) [pnaqri, a 

 K£<j>a?jj, head]. A boat-shaped appearance of tiie 

 cranium, due to a premature union of the sagittal 

 suture, or abnormal development. 



Scaphocephaly (skafo-sef -al-e) [<r/iop;/, boat ; •'. 

 head]. The condition of having a boat-shaped skull 



Scaphocerite (ska-fos' -er-tt) [oncKpog, a bowl ; k< 

 horn]. In biology, the scale-like appendage of the 

 second pair of antennae of a crustacean. 



Scaphocuboid (skafo-ku'-boid) [oncHprj, boat; 



cube; el66c, like]. Pertaining to the scaphoid and 

 cuboid bones. 



Scaphognathite (ska-fog' -na-thit) [d/ca^oc, a bowl, 

 boat; yvadoc, jaw]. In biology, the scale-like appen- 

 dage of the second maxilla of a crustacean. 



Scaphoid (skaf'-oid) [amf?/, boat ; eldoc , like]. Boat- 

 shaped. S. Abdomen, the sunken appearance of the 

 belly, seen in meningitis and in great emaciation Iron 

 wasting diseases. S. Bone, a name given to a beat 

 shaped bone of the tarsus and also to one of the carpus 

 S. Fossa. See Fossa. 



Scaphoideum (ska -foi'- de - urn) [L.]. The scapbou 

 bone of the wrist or ankle. 



Scaphoido-cuneiform Amputation. See Ch 

 Amputation and Forbes' s Amputation, in Operations 

 Table of. 



Scapho\un3ir(skafo-lu'-nar)[aK<i<prj, boat; luna, moon J 

 Pertaining to the scaphoid and semilunar bones. 



