| decussatio pyramidum | The intercrossing of the bundles of the pyramidal tracts at the lower border region of the medulla oblongata. Synonym: decussatio pyramidum, decussatio motoria, motor decussation. (05 Mar 2000) |
|---|---|
| decussatio sensoria | An alternate term for decussation of medial lemniscus. (05 Mar 2000) |
| decussation | Act of crossing at an acute angle, or state of being thus crossed; an intersection in the form of an X; as, the decussation of lines, nerves, etc. Origin: L. Decussatio. Source: Websters Dictionary (01 Mar 1998) |
| decussation of brachia conjunctiva | The decussation of the left and right superior cerebellar peduncles in the tegmentum of the caudal mesencephalon. Synonym: decussatio pedunculorum cerebellarium superiorum, decussatio brachii conjunctivi, decussation of brachia conjunctiva, Wernekinck's decussation. (05 Mar 2000) |
| decussation of medial lemniscus | The intercrossing of the fibres of the left and right medial lemniscus ascending from the gracile and cuneate nuclei, immediately rostral to the level of the decussation of the pyramidal tracts in the medulla oblongata. Synonym: decussatio lemniscorum, decussatio sensoria, decussation of the fillet, sensory decussation of medulla oblongata. (05 Mar 2000) |
| decussation of superior cerebellar peduncles | The decussation of the left and right superior cerebellar peduncles in the tegmentum of the caudal mesencephalon. Synonym: decussatio pedunculorum cerebellarium superiorum, decussatio brachii conjunctivi, decussation of brachia conjunctiva, Wernekinck's decussation. (05 Mar 2000) |
| decussation of the fillet | The intercrossing of the fibres of the left and right medial lemniscus ascending from the gracile and cuneate nuclei, immediately rostral to the level of the decussation of the pyramidal tracts in the medulla oblongata. Synonym: decussatio lemniscorum, decussatio sensoria, decussation of the fillet, sensory decussation of medulla oblongata. (05 Mar 2000) |
| decussation of trochlear nerves | The crossing of the two trochlear nerves at their exit through the velum medullare anterius. Synonym: decussatio nervorum trochlearium. (05 Mar 2000) |
| decussationes | Plural of decussatio. (05 Mar 2000) |
| decussationes tegmenti | The dorsal tegmental decussation (fountain or Meynert's decussation, decussatio fontinalis) of the left and right tectospinal and tectobulbar tracts, the ventral tegmental decussation (rubrospinal or Forel's decussation) of the left and right rubrospinal and rubrobulbar tracts; both are located in the mesencephalon. Synonym: decussationes tegmenti. (05 Mar 2000) |
| decyl | <chemistry> A hydrocarbon radical, C10H21, never existing alone, but regarded as the characteristic constituent of a number of compounds of the paraffin series. Origin: L. Decem ten + -yl. Source: Websters Dictionary (01 Mar 1998) |
| decylic | <chemistry> Allied to, or containing, the radical decyl. Source: Websters Dictionary (01 Mar 1998) |