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8 08, 2018

Nerves of the Submandibular Region

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

Lingual Nerve From posterior section of the mandibular nerve, the lingual nerve originates and between the ramus of the mandible and the medial pterygoid muscle it descends. By passing inferior to the lower border of the superior constrictor of the pharynx and it inclines forwards subsequently, at its connection near the posterior end of the [...]

8 08, 2018

Third Occipital Nerve

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

The C3 spinal nerve splits into an anterior ramus along with a posterior ramus. The posterior ramus divides into two medial branches and a lateral branch. The larger, superior medial branch is the third occipital nerve. From superior branch fibers of the third cervical nerve the third occipital nerve emerges at the level of the [...]

8 08, 2018

Abducent or Abducens Nerve

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

Abducent or Abducens Nerve is the 6th cranial nerve. It is motor and supplies only 1 muscle, the lateral rectus of the eye-ball. It is named so because it abducts the eye. It's also termed fan's nerve, because in ancient times (nonverbal age between the adolescent girls and boys), the boy utilized to call the [...]

8 08, 2018

Lacrimal Nerve

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

The lacrimal nerve is the smallest among the three branches of the ophthalmic nerve, once inside the orbit it travels onward alongside the upper margin of the lateral rectus muscle; along with lacrimal artery it goes with the lateral wall of the orbit and concludes in the lacrimal gland. Lacrimal Nerve Insertion Within [...]

8 08, 2018

Mandibular Nerve

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

Among the 3 sections of the trigeminal nerve the mandibular nerve is the largest one. Being composed of both sensory and motor fibres, it's a mixed nerve. It supplies all the structures originated from this arch because it is a nerve of the very first pharyngeal arch, example, muscles of mastication. Course and Connections The [...]

8 08, 2018

Great Auricular Nerve

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

The great auricular nerve is a branch of the cervical plexus. It originates from the anterior rami of the C2 as well as C3 spinal nerves rises upwards on the surface of the sternocleidomastoid muscle. Great Auricular Nerve Insertion From the posterior margin of the sternomastoid the great auricular nerve turns and on [...]

8 08, 2018

Facial Nerve

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

Facial Nerve is a mixed (i.e. motor and sensory) nerve, but mainly it's motor. Facial nerve is the 7th cranial nerve. It's referred to as facial nerve as it supplies the muscles of facial expression. It's the most regularly paralyzed of all the peripheral nerves of the body. Facial Nerve Functional Elements and [...]

8 08, 2018

Supraorbital Nerve

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

The supraorbital nerve is one of the two ending branches of the frontal nerve. The supratrochlear and supraorbital nerves originate from the frontal branch and at the time of cutaneous surgery over the orbit are the ones at maximum risk of injury. Supra-Orbital Nerve Origin The supraorbital nerve emerges from fibers of the [...]

8 08, 2018

Chorda Tympani Nerve

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

It is a slim branch of facial nerve. Due to its intimate relationship to the middle ear (tympanum) it is called chorda tympani nerve. Function Parts The chorda tympani nerve includes: General visceral efferent fibres: All these are preganglionic parasympathetic (secretomotor) fibres to submandibular and sublingual salivary glands. Special visceral afferent fibres: These fibres take [...]

8 08, 2018

Maxillary Nerve

By | 2018-08-08T00:00:00+00:00 August 8th, 2018|Anatomy, Head and Neck, Nerves|0 Comments

The maxillary division of the trigeminal nerve, a.k.a. the maxillary nerve is a purely sensory nerve. It is the medium-sized branch of the trigeminal nerve in the middle of the smaller ophthalmic division as well as the biggest mandibular division. Maxillary Nerve Insertion It arises from the convex anterior border of the trigeminal [...]