nucleus ambiguus

Amb

A region of histologically disparate cells located just dorsal to the inferior olivary nucleus in the lateral portion of the upper medulla. It receives upper motor neuron innervation directly via the corticobulbar tract This nucleus gives rise to the efferent motor fibers of the vagus nerve terminating in the laryngeal and pharyngeal muscles, as well as to the efferent motor fibers of the glossopharyngeal nerve (CN IX) terminating in the stylopharyngeus. [WP,unvetted].

Type Muscle
Parent Structure ectoderm-derived structure
Latin Name Amb
FMA ID 54588

Frequently Asked Questions

What is the nucleus ambiguus?
A region of histologically disparate cells located just dorsal to the inferior olivary nucleus in the lateral portion of the upper medulla. It receives upper motor neuron innervation directly via the corticobulbar tract This nucleus gives rise to the efferent motor fibers of the vagus nerve terminat
What is the Latin name for the nucleus ambiguus?
The Latin name for the nucleus ambiguus is Amb.

Related Structures

1st arch mandibular component ventral mandibular arch 1st arch mandibular ectoderm ectoderm of mandibular component 1st arch mandibular mesenchyme mandibular component mesenchyme 1st arch mandibular mesenchyme from head mesenchyme 1st arch mandibular mesenchyme from neural crest 1st arch maxillary component 1st arch maxillary ectoderm ectoderm of maxillary component 1st arch maxillary-mandibular cleft 1st arch maxillary-mandibular groove ectoderm

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