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All main topics / Medicine / Anatomy / Anatomy 13, 10 (ear and trigeminal)
the posterior part gives rise to two sesnory bracnhes and one mixes branch. name them.

• The auriculotemporal nerve . It receives cutaneous sensation from the skin of the auricle, external auditory meatus,
tympanic membrane, parotid gland and the scalp of the temporal region, but also
receives postganglionic parasympathetic secretomotor fibres from the otic ganglion,
which it conveys to the parotid gland.
• The lingual nerve runs anteroinferiorly in front of the inferior alveolar nerve. At the
lower border of the lateral pterygoid muscle it is joined by the chorda tympani nerve,
and often a branch from the inferior alveolar nerve. It receives sensation from the
anterior two thirds of the tongue.
• The inferior alveolar nerve descends on the lateral surface of the sphenomandibular
ligament and then enters the mandibular canal and runs anteriorly below the
mandibular teeth, from which it receives sensation. It emerges through the mental foramen as the mental nerve to receive cutaneous sensation from the chin, lower face
and lower lip. Just before it enters the mandibular foramen, the inferior alveolar nerve gives rise to the mylohyoid nerve which supplies the mylohyoid muscle and the
anterior belly of the digastric muscle.
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Flashcard info:
Author: Peebls
Main topic: Medicine
Topic: Anatomy
Published: 02.05.2010




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