The Accessory Nerve: Anatomy, Function, and Treatment
The accessory nerve provides motor function (movement) to two muscles essential to neck and shoulder movement, the sternocleidomastoid (SCM) and the trapezius, as well as to the larynx (voice box) and other structures in the throat.It’s the 11th of the …
The Accessory Nerve
The accessory nerve (Figs. 792, 793, 794) consists of two parts: a cranial and a spinal. The Cranial Part (ramus internus; accessory portion) is the smaller of the two.Its fibers arise from the cells of the nucleus ambiguus and emerge as four or five delicate rootlets from the side of the medulla oblongata, below the roots of the vagus.
Evolutionary and developmental understanding of the spinal accessory nerve
· PDF 檔案accessory nerve (cranial nerve XI), this nerve cannot be easily classified into this standardized SVE and GSE scheme of the vertebrate body, an issue that has confused many researchers [9-11]. Anatomically, the accessory nerve is usually thought to consist of
Accessory phrenic nerve
The accessory phrenic nerve most commonly arises from the ansa cervicalis (45%) or the subclavian nerve (43%). Rarely, it has also been seen to arise from the C3, C4 or C5 nerve roots, supraclavicular nerve , spinal accessary nerve , nerve to sternohyoid muscle or hypoglossal nerve .
Popular Pediatric Associates — Accessory Nerve
The Accessory Nerve CNXI Pathway | AMI Meeting 2020 13263_02X) Locating Spinal Accessory Nerve – Anatomy Exhibits Accessory nerve (CN XI): Anatomy, pathways and function | Kenhub
The accessory nerve is part of the group of cranial nerves responsible for innervation of structures derived from the branchial arches. It is also part of a group together with the glossopharyngeal and vagus nerves that passes through the jugular foramen which is.
Spinal Accessory Nerve Entrapment Syndrome
Spinal accessory nerve can be secondary to neuromas at the base of the skull, fractures of the occipital condyle, or result of surgical complications. However it is very commonly with trauma to the neck, and in some cases can be the result after whiplash injuries.
Cranial Nerve Anatomy and Function
Pathway The visual stimulus is relayed contralaterally in CN II to the occipital cortex via the thalamus. The response to this stimulation is initiated via the motor cortex which ultimately stimulates the ipsilateral facial nerve (CN VII) to cause eyelid closure.
Cranial Nerve Anatomy and Function
The facial nerve impulses cause contraction of the orbicularis oculi muscle closing the eyelids. Pathway An image of the hand is projected through the eye to the retina. Electrochemical receptors in the retina are excited and the generated impulses are.
accessory nerve : 네이버 블로그
classification Among investigators there is disagreement regarding the terminology used to describe the type of information carried by the accessory nerve. As the trapezius and sternocleidomastoid muscles are derived from the pharyngeal arches, some investigators believe the spinal accessory nerve that innervates them must carry specific special visceral efferent (SVE) information. 
What are the 12 cranial nerves? Functions and diagram
The accessory nerve separates into spinal and cranial parts. The spinal component starts in the spinal cord and travels into the skull through the foramen magnum. From there, it meets the cranial
(PDF) The accessory posterolateral nerve: an …
The accessory posterolateral nerve: an immunohistological analysis Peter Sadow Results: Of the 7 samples, all contained neural elements and 2 were associated with arteries. All nerves were comprised of a single fascicle containing an approximately equal
taste sensation pathway
taste sensation pathway. this image shows the origin of the nerves responsible for the taste sensation in relation to the surrounding structures of the brain stem showing: 1. intermediate portion of cranial nerve vii “facsial nerve” 2. glossopharyngeal nerve 3. vagus
Accessory Nerve Injury Article
· The traveling pathway of this nerve provides a functional significance to the structures in the posterior neck. However, the accessory nerve is prone to injury due to its long and superficial nature. Injury to the accessory nerve could be from blunt trauma, incidental
Distribution of Spinal Nerves
the accessory nerve, the hypoglossal nerve, and the sympathetic trunk. The cervical plexus is located in the neck, internal to The pathway decussates at the level of the spinal cord. Somatosensory organization is divided into the dorsal column–medial
Tracking the glossopharyngeal nerve pathway through …
· • The nerve’s pathway involves the brain stem, cisternal, skull base and cervical segments. The anatomy of the inferior petrosal sinus, glossopharyngeal nerve, vagus nerve, and accessory nerve in the jugular foramen. AJNR Am J Neuroradiol 16:185–194
15. Cranial Nerve I (Olfactory, Optic, Accessory, …
Start studying 15. Cranial Nerve I (Olfactory, Optic, Accessory, Hypoglossal). Learn vocabulary, terms, and more with flashcards, games, and other study tools. During head trauma, the olfactory receptor cell axons may be damaged as a result of fracture of the