Head And Neck

Facial Artery: Anatomy, Branches And Clinical Points Write a short note on the facial artery. Answer. Origin and extent It arises from the anterior aspect of the external carotid artery in the carotid triangle of the neck, just below the level of the tip of the greater cornu of the hyoid bone. It extends from its site of origin in the neck to the medial angle of … [Read more...] about Facial Artery: Anatomy, Branches And Clinical Points

The Parasympathetic Root Of The Submandibular Ganglion Write a short note on the submandibular ganglion. Answer. The submandibular ganglion is a small parasympathetic ganglion lying on the hyoglossus muscle. Topographically, it is connected to the lingual nerve, whereas functionally it is connected to the facial nerve. (Note: The chorda tympani nerve is a branch of … [Read more...] about The Parasympathetic Root Of The Submandibular Ganglion

Chorda Tympani Describe the chorda tympani nerve in brief. Answer. Chorda Tympani Nerve Origin The chorda tympani nerve is a branch of the facial nerve. It arises from the facial nerve at about 6 mm above the stylomastoid foramen. Chorda Tympani Nerve Functional components General visceral ef event (GVE) fibres (i.e. postganglionic parasympathetic fibres), provide … [Read more...] about Chorda Tympani

Muscles, Layers, Nerve Supply, Parts Of Pharynx Discuss the origin and insertion of the constrictors of the pharynx. Answer. Constrictors of the Pharynx Origin Superior Constrictor: It arises from the pterygoid hamulus, pterygomandibular raphe, posterior end of mylohyoid line and the side of the tongue. Middle Constrictor: It arises from the lower part of the … [Read more...] about Muscles, Layers, Nerve Supply, Parts Of Pharynx

Nasopharynx: Definition, Structure And Function Write a short note on the nasopharynx. Answer. Nasopharynx is the upper portion of pharynx lying behind the nasal cavities with which it communicates. Internally it is lined by mucous membrane. Nasopharynx Boundaries The roof and lateral wall are formed by the body of the sphenoid which forms a continuous sloping … [Read more...] about Nasopharynx: Definition, Structure And Function