nucleus ambiguus (songbird homolog in brainstem vocal-respiratory centers)
E675117
The nucleus ambiguus in songbirds is a brainstem motor nucleus that serves as the vocal-respiratory homolog controlling muscles of the syrinx and upper vocal tract during song production.
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
brainstem motor nucleus
ⓘ
songbird brain structure ⓘ vocal-respiratory nucleus ⓘ |
| associatedWith |
syrinx biomechanics
ⓘ
upper vocal tract shaping during song ⓘ |
| connectedTo | respiratory motoneuron pools ⓘ |
| controlsProcess |
respiratory patterning during song
ⓘ
song production ⓘ |
| hasFunction |
control of syrinx muscles
ⓘ
control of upper vocal tract muscles ⓘ coordination of vocalization and respiration ⓘ |
| homologousTo | nucleus ambiguus (mammalian) ⓘ |
| involvedIn |
fine control of acoustic structure of song
ⓘ
timing of expiratory airflow during song ⓘ |
| locatedIn | brainstem ⓘ |
| modulates |
fundamental frequency of song
ⓘ
syllable structure ⓘ vocal intensity ⓘ |
| neuronType | motor neurons ⓘ |
| partOf |
lower motor pathway for song
ⓘ
songbird song control system ⓘ vocal-respiratory network ⓘ |
| projectsTo |
laryngeal and pharyngeal musculature homologs
ⓘ
syringeal muscles ⓘ |
| receivesInputFrom |
forebrain song control nuclei
ⓘ
respiratory pattern generators in brainstem ⓘ |
| roleIn |
execution of learned song patterns
ⓘ
integration of vocal and respiratory motor commands ⓘ |
| speciesContext | songbirds (oscine passerines) ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
RA (robust nucleus of the arcopallium)
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projectsTo
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nucleus ambiguus (songbird homolog in brainstem vocal-respiratory centers)
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