| serrator | <zoology> The ivory gull (Larus eburneus). Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| serratus anterior | <anatomy, muscle> Origin, from centre of lateral aspect of first eight to nine ribs; insertion, superior and inferior angles and intervening medial margin of scapula; action, rotates scapula and pulls it forward, elevates ribs; nerve supply, long thoracic from brachial plexus. Synonym: musculus serratus anterior, anterior serratus muscle, costoscapularis, musculus serratus magnus. (05 Mar 2000) |
| serratus posterior inferior | <anatomy, muscle> Origin, with latissimus dorsi, from spinous processes of two lower thoracic and two upper lumbar vertebrae; insertion, into lower borders of last four ribs; action, draws lower ribs backward and downward; nerve supply, ninth to twelfth intercostal. Synonym: musculus serratus posterior inferior, inferior posterior serratus muscle. (05 Mar 2000) |
| serratus posterior superior muscle | <anatomy> Origin, from spinous processes of two lower cervical and two upper thoracic vertebrae; insertion, into lateral side of angles of second to fifth ribs; nerve supply, first to fourth intercostals. Synonym: musculus serratus posterior superior, superior posterior serratus muscle. (05 Mar 2000) |
| serrefine | A small spring forceps used for approximating the edges of a wound or for temporarily closing an artery during an operation. Origin: Fr. (05 Mar 2000) |
| serrenoeud | An instrument for tightening a ligature. Origin: Fr. Serrer, to press, + noeud, knot (05 Mar 2000) |
| Serres | Antoine E.R.A., French anatomist, 1786-1868. See: Serres' angle, Serres' glands, rest's of Serres. (05 Mar 2000) |
| Serres' angle | The angle between the pterygoid processes and the base of the skull. Synonym: Serres' angle. (05 Mar 2000) |
| Serres' glands | Epithelial cell rests found in the subepithelial connective tissue in the palate of the newborn, similar to those found in the gingivae. (05 Mar 2000) |
| serricorn | <zoology> Having serrated antenn. Origin: L. Serra saw + cornu horn. <zoology> Any one of a numerous tribe of beetles (Serricornia). The joints of the antennae are prominent, thus producing a serrate appearance. Source: Websters Dictionary (01 Mar 1998) |
| serrifera | <zoology> A division of Hymenoptera comprising the sawflies. Origin: NL, fr. L. Serra saw + ferre to bear. Source: Websters Dictionary (01 Mar 1998) |
| serrirostres | <zoology> Same as Lamellirostres. Origin: NL. Fr. L. Serra saw + rostrum beak. Source: Websters Dictionary (01 Mar 1998) |
| serrula | <zoology> The red-breasted merganser. Origin: L, a little saw. Source: Websters Dictionary (01 Mar 1998) |
| serrulate | Finely serrated. (09 Oct 1997) |
| Sertoli | Enrico, Italian histologist, 1842-1910. See: Sertoli's cells, Sertoli's columns, Sertoli cell tumour, Sertoli-cell-only syndrome. (05 Mar 2000) |