| spinacene | An obsolete term for squalene. (05 Mar 2000) |
|---|---|
| spinach | A widely cultivated plant, spinacia oleracea, native to asia, having succulent, edible leaves eaten as a vegetable. (12 Dec 1998) |
| spinach stools | Dark greenish porridge-like stool's, resembling chopped spinach. (05 Mar 2000) |
| spinae palatinae | The longitudinal ridges along the palatine grooves on the inferior surface of the palatine process of the maxilla. Synonym: spinae palatinae. (05 Mar 2000) |
| spinaeous | <botany> Of, pertaining to, or resembling, the plant spinach, or the family of plants to which it belongs. Source: Websters Dictionary (01 Mar 1998) |
| spinage | <botany> A common pot herb (Spinacia oleracea) belonging to the Goosefoot family. Mountain spinach. See Garden orache, under Orache. <botany> New Zealand spinach, a coarse herb (Tetragonia expansa), a poor substitute for spinach. Various other pot herbs are locally called spinach. Origin: OF. Espinache, espinoche, F. Epinard; cf. F. Spinace, Sp. Espinaca; all fr. Ar. Isfanaj, isfinaj, aspanakh, probably of Persian origin. Source: Websters Dictionary (01 Mar 1998) |
| spinal | <anatomy> Pertaining to a spine or to the vertebral column. Origin: L. Spinalis (18 Nov 1997) |
| spinal accessory nerve | <anatomy, nerve> The eleventh cranial nerve enervates the sternocleidomastoid muscles and the trapezius muscles. Lesions of the eleventh result in drooping of the shoulder and inability to rotate the head away from the affected side. (27 Sep 1997) |
| spinal anaesthesia | A form of regional anaesthesia that involves the injection of an anaesthetic into the epidural space (in the spinal canal), at predetermined location along the spine, to produce anaesthesia in all body regions that are supplied by nerves that arise below the anatomic region of the block. Often used for obstetrical procedures. Origin: Gr. Aisthesis = sensation (27 Sep 1997) |
| spinal anaesthetic | A local anaesthetic agent producing loss of sensation when injected into the subarachnoid space. (05 Mar 2000) |
| spinal analgesia | Euphemism for spinal anaesthesia. (05 Mar 2000) |
| spinal apoplexy | Stroke involving the spinal cord. (05 Mar 2000) |
| spinal arteries | Branches of the following arteries which supply the meninges, the roots of the spinal nerves, and in some cases, the spinal cord: 1) vertebral, 2) ascending cervical, 3) dorsal branch of posterior intercostal I to XI, 4) dorsal branch of subcostal, 5) dorsal branch of lumbar arteries, 6) lumbar branch of iliolumbar, 7) lateral sacral; all spinal arteries give rise to radicular arteries supplying dorsal and ventral roots of spinal nerves, but some (4-9), are large enough to reach and anastomose with the anterior and posterior spinal arteries. Synonym: rami radiculares. See: medullary spinal arteries, arteria radicularis magna. Synonym: rami spinales. (05 Mar 2000) |
| spinal ataxia | Ataxia due to spinal cord disease, as in tabes dorsalis. (05 Mar 2000) |
| spinal bifida | A congenital defect in which the neural arches fail to close, so exposing the contents of the spinal canal posteriorly. Usually occurring in the lumbosacral region (lower back) of the spine. (27 Sep 1997) |