Anatomy of Chorda Tympani and Otic Ganglion

Parasympathetic secretomotor fibers

2 cm below the base of the skull

Between the tensor palati and the mandibular nerve, just below the foramen ovale

<p>Parasympathetic secretomotor fibres</p> Signup and view all the answers

<p>It contains the internal carotid artery, internal jugular vein, and the last four cranial nerves.</p> Signup and view all the answers

<p>The pharynx</p> Signup and view all the answers

<p>The three muscles of the styloid apparatus</p> Signup and view all the answers

<p>The cervical sympathetic trunk</p> Signup and view all the answers

<p>The glossopharyngeal and accessory nerves</p> Signup and view all the answers

<p>The hypoglossal nerve</p> Signup and view all the answers

<p>The styloid process, stylohyoid ligament, styloglossus, stylopharyngeus, the glossopharyngeal nerve, pharyngeal branches of the glossopharyngeal and vagus nerves, and the branchial fistula track</p> Signup and view all the answers

<p>The stylohyoid muscle, along with the posterior belly of the digastric muscle</p> Signup and view all the answers

<p>The superior laryngeal nerve</p> Signup and view all the answers

<p>It consists of the styloid process and its associated muscles: styloglossus, stylohyoid, and stylopharyngeus. It is located lateral to the carotid sheath.</p> Signup and view all the answers

<p>It is a thickening of the deep lamina of the parotid fascia that extends from the vaginal process of the tympanic part of the temporal bone to the angle of the mandible. It is variable in length, inversely related to the length of the styloid process.</p> Signup and view all the answers

<p>It helps to close off the infratemporal fossa posteriorly, contributing to the overall anatomical compartmentalization of the region.</p> Signup and view all the answers

<p>It runs up deep to the digastric and stylohyoid muscles, but superficial to the stylopharyngeus muscle.</p> Signup and view all the answers

<p>The retromandibular vein passes down from the parotid gland superficial to both the stylohyoid and digastric muscles, while the external carotid artery runs deep to these muscles.</p> Signup and view all the answers

<p>Chorda tympani</p> Signup and view all the answers

<p>Tensor tympani and tensor palati (A)</p> Signup and view all the answers

<p>Carotid sheath</p> Signup and view all the answers

<p>Glossopharyngeal nerve</p> Signup and view all the answers

<p>Stylomandibular ligament</p> Signup and view all the answers

<p>Stylopharyngeus, stylohyoid, and styloglossus</p> Signup and view all the answers

<p>External carotid artery</p> Signup and view all the answers

<p>Retromandibular vein</p> Signup and view all the answers

A branch from the facial nerve that joins the lingual nerve to innervate the anterior two-thirds of the tongue.

A small relay station for parasympathetic fibers to the parotid gland.

A connective tissue structure that contains the internal carotid artery, internal jugular vein, and cranial nerves IX-XII.

The last four cranial nerves that run within the carotid sheath.

The nerve of the third pharyngeal arch with sensory fibers for the pharynx and taste.

A major vein that collects blood from the head and neck, located behind the internal carotid artery.

A canal medial to the carotid sheath allowing passage for the hypoglossal nerve.

A branch of the glossopharyngeal nerve that carries parasympathetic fibers to the parotid gland.

A branch of the vagus nerve that supplies the larynx.

A pointed structure from the temporal bone serving as an attachment for muscles.

A muscle from the styloid process to the pharynx, innervated by the glossopharyngeal nerve.

Branches that supply the pharyngeal muscles and mucosa.

The largest salivary gland located near the ear, involved in saliva production.

A muscle that helps tense the palate during swallowing.

The tenth cranial nerve, responsible for various parasympathetic functions.

The major artery that supplies blood to the head and neck, branching into internal and external carotids.

A chain of sympathetic nerves running along the cervical vertebrae.

A vein that drains blood from the parotid gland, traveling superficial to certain muscles.

Embryological structures that develop into various head and neck components.

An artery that supplies blood to the face and neck, does not reach the skull base.

A muscle with two bellies that aids in lowering the mandible.

A ligament from the styloid process to the hyoid bone that supports the hyoid.

The structure and path of cranial nerves as they emerge from the brain.

The anatomical positioning and interaction between veins and arteries in the neck.

The front portion of the tongue, primarily innervated by the lingual and chorda tympani nerves.

The location where sensory nerve fibers originate, especially in the glossopharyngeal ganglion.

Carries taste fibers and parasympathetic innervation to the anterior tongue.

Nerve that receives chorda tympani's fibers and innervates the tongue.

Located between the tensor palati and the mandibular nerve below the foramen ovale.

Relay station for parasympathetic fibers to the parotid gland.

Glossopharyngeal nerve, responsible for taste and pharyngeal sensation.

Artery that does not reach the skull base; branches within the parotid gland.

Lies deep in the carotid sheath, mediating various autonomic functions.

Controls movements of the tongue; emerges from the hypoglossal canal.

Supply motor and sensory innervation to the pharynx.

Contains the internal carotid artery, internal jugular vein, and cranial nerves IX-XII.

Collects blood from the brain and neck; runs behind internal carotid artery.

Divides into internal and external carotid arteries.

Branch of the vagus supplying the larynx; has internal and external branches.

Muscle that lowers the mandible; assists in chewing.

Muscle that elevates the pharynx during swallowing; innervated by glossopharyngeal nerve.

Muscle that elevates the hyoid bone during swallowing.

Collection of nerve cell bodies located near the vagus nerve.

Understanding the positional relationships of nerves and vessels in the neck and skull base.

Drains blood from the parotid region, superficial to certain neck muscles.

Embryological source of head and neck structures, including nerves and muscles.

Connects the styloid process to the hyoid bone; supports hyoid structure.

Styloid apparatus muscles slope down toward the tongue, aiding in swallowing.

Thickening from the temporal bone to the mandible angle; supports jaw movement.

Taste sensations from the posterior tongue encompass fibers in the glossopharyngeal nerve.

Arteries carry blood away; veins bring blood back to the heart.

Cranial nerves IX-XII have involuntary roles in bodily functions, especially salivation and taste.

Understanding anatomical connections of nerves with arteries and veins beneath the skull.