释义 |
Definition of decussate in English: decussateverb ˈdɛkəseɪtdɪˈkʌseɪtdɪˈkəseɪt [no object]technical (of two or more things) cross or intersect each other to form an X. the fibres decussate in the collar Example sentencesExamples - After decussating, these fibers ascend in a compact, ribbon like tract called the medial lemniscus.
- The central canal and surrounding gray matter appear as though pushed dorsally by the decussating bundles of axons.
- These decussating bundles can be seen distinctly between the lips of the ventral median fissure.
adjective dɪˈkʌsətdɪˈkəseɪt technical 1Shaped like an X. - 1.1Botany (of leaves) arranged in opposite pairs, each pair being at right angles to the pair below.
Example sentencesExamples - Orchids, however, have all possible tetrad types: linear, decussate, square, tetrahedral, rhomboid and T-shaped are all reported.
- This is much simpler than those reproductive organs of living Gnetales with a cone-like inflorescence that is organized by paired or decussate bracts.
- This plant resembles some trimerophytes, such as Pertica, in that it has three-dimensional branching with branches arranged in a spiral or decussate pattern.
- For example, many pioneer trees exhibit orthotropic (vertically oriented) shoots that successively produce leaves in spiral or decussate phyllotaxy.
Origin Mid 17th century (as a verb): from Latin decussatus, past participle of decussare 'divide crosswise', from decussis (describing the figure X, i.e. the Roman numeral for the number 10), from decem 'ten'. Definition of decussate in US English: decussateverbdɪˈkəseɪtdiˈkəsāt [no object]technical (of two or more things) cross or intersect each other to form an X. the fibers decussate in the collar Example sentencesExamples - The central canal and surrounding gray matter appear as though pushed dorsally by the decussating bundles of axons.
- These decussating bundles can be seen distinctly between the lips of the ventral median fissure.
- After decussating, these fibers ascend in a compact, ribbon like tract called the medial lemniscus.
adjectivedɪˈkəseɪtdiˈkəsāt technical 1Shaped like an X. - 1.1Botany (of leaves) arranged in opposite pairs, each pair being at right angles to the pair below.
Example sentencesExamples - This is much simpler than those reproductive organs of living Gnetales with a cone-like inflorescence that is organized by paired or decussate bracts.
- Orchids, however, have all possible tetrad types: linear, decussate, square, tetrahedral, rhomboid and T-shaped are all reported.
- This plant resembles some trimerophytes, such as Pertica, in that it has three-dimensional branching with branches arranged in a spiral or decussate pattern.
- For example, many pioneer trees exhibit orthotropic (vertically oriented) shoots that successively produce leaves in spiral or decussate phyllotaxy.
Origin Mid 17th century (as a verb): from Latin decussatus, past participle of decussare ‘divide crosswise’, from decussis (describing the figure X, i.e. the Roman numeral for the number 10), from decem ‘ten’. |