Musculus uvulae
Encyclopedia
The musculus uvulae is a muscle of the soft palate.
of the palatine bones and from the palatine aponeurosis
.
It descends to be inserted into the uvula
and functions to move and shape it.
via the pharyngeal plexus
.
Origin and insertion
It arises from the posterior nasal spinePosterior nasal spine
The medial end of the posterior border of the horizontal plate of palatine bone is sharp and pointed, and, when united with that of the opposite bone, forms a projecting process, the posterior nasal spine for the attachment of the Musculus uvulæ....
of the palatine bones and from the palatine aponeurosis
Palatine aponeurosis
Attached to the posterior border of the hard palate is a thin, firm fibrous lamella called the palatine aponeurosis, which supports the muscles and gives strength to the soft palate....
.
It descends to be inserted into the uvula
Uvula
The palatine uvula, usually referred to as simply the uvula , is the conic projection from the posterior edge of the middle of the soft palate, composed of connective tissue containing a number of racemose glands, and some muscular fibers .-Function in language:The uvula plays a role in the...
and functions to move and shape it.
Innervation
It is innervated by the pharyngeal branch of the vagus nervePharyngeal branch of vagus nerve
The pharyngeal branch of the vagus nerve, the principal motor nerve of the pharynx, arises from the upper part of the ganglion nodosum, and consists principally of filaments from the cranial portion of the accessory nerve....
via the pharyngeal plexus
Pharyngeal plexus
Pharyngeal plexus can refer to:* Pharyngeal plexus of vagus nerve* Pharyngeal plexus...
.