| Spielmeyer-Stock disease | Retinal atrophy in amaurotic familial idiocy. (05 Mar 2000) |
|---|---|
| Spielmeyer-Vogt disease | Cerebral sphingolipidosis, late juvenile type. Synonym: Vogt-Spielmeyer disease. (05 Mar 2000) |
| spigelian | Relating to or described by Spigelius. (05 Mar 2000) |
| spigelian hernia | Abdominal hernia through the semilunar line. Synonym: lateral ventral hernia. (05 Mar 2000) |
| Spigelius | Adrian (van der Spieghel), Flemish anatomist in Padua, 1578-1625. See: spigelian hernia, Spigelius' line, Spigelius' lobe. (05 Mar 2000) |
| Spigelius' line | The slight groove in the external abdominal wall parallel to the lateral edge of the rectus sheath. Synonym: semilunar line, Spigelius' line. (05 Mar 2000) |
| Spigelius' lobe | A small lobe of the liver situated posteriorly between the sulcus for the vena cava and the fissure for the ligamentum venosum. Synonym: caudate lobe, Spigelius' lobe. Lobi cerebri, the major divisions of the cerebral hemisphere; they include the frontal, parietal, temporal, and occipital lobes, named for the overlying bones of the skull. Synonym: lobes of cerebrum. Lobus clivi, the clivus monticuli and the posterior crescentic lobules of the cerebellum considered as one lobe. (05 Mar 2000) |
| spight | A woodpecker. See Speight. Source: Websters Dictionary (01 Mar 1998) |
| spignel | <botany> Same as Spickenel. Source: Websters Dictionary (01 Mar 1998) |
| spignet | <botany> An aromatic plant of America. See Spikenard. Origin: Corrupted fr. Spikenard. Source: Websters Dictionary (01 Mar 1998) |
| spike | An unbranched, indeterminate inflorescence in which the flowers are without stalks. (09 Oct 1997) |
| spike and wave complex | A generalised, synchronous pattern seen on the electroencephalogram, consisting of a sharply contoured fast wave followed by a slow wave; particularly found in patients with generalised epilepsies. Spike and wave complexes are often characterised by their frequency, e.g., s low spike and wave, fast spike and wave. (05 Mar 2000) |
| spike potential | The main wave in the action potential of a nerve; it is followed by negative and positive afterpotentials. (05 Mar 2000) |
| spikebill | <zoology> The hooded merganser. The marbled godwit (Limosa fedoa). Source: Websters Dictionary (01 Mar 1998) |
| spikefish | <zoology> See Sailfish Source: Websters Dictionary (01 Mar 1998) |