Definitions for spinal accessory
spinal acces·so·ry

Princeton's WordNetRate this definition:0.0 / 0 votes

1. accessory nerve, spinal accessory, nervus accessorius, eleventh cranial nervenoun

   arises from two sets of roots (cranial and spinal) that unite to form the nerve

WikipediaRate this definition:0.0 / 0 votes

1. spinal accessory

   The accessory nerve, also known as the eleventh cranial nerve, cranial nerve XI, or simply CN XI, is a cranial nerve that supplies the sternocleidomastoid and trapezius muscles. It is classified as the eleventh of twelve pairs of cranial nerves because part of it was formerly believed to originate in the brain. The sternocleidomastoid muscle tilts and rotates the head, whereas the trapezius muscle, connecting to the scapula, acts to shrug the shoulder. Traditional descriptions of the accessory nerve divide it into a spinal part and a cranial part. The cranial component rapidly joins the vagus nerve, and there is ongoing debate about whether the cranial part should be considered part of the accessory nerve proper. Consequently, the term "accessory nerve" usually refers only to nerve supplying the sternocleidomastoid and trapezius muscles, also called the spinal accessory nerve.Strength testing of these muscles can be measured during a neurological examination to assess function of the spinal accessory nerve. Poor strength or limited movement are suggestive of damage, which can result from a variety of causes. Injury to the spinal accessory nerve is most commonly caused by medical procedures that involve the head and neck. Injury can cause wasting of the shoulder muscles, winging of the scapula, and weakness of shoulder abduction and external rotation.The accessory nerve is derived from the basal plate of the embryonic spinal segments C1–C6.

ChatGPTRate this definition:0.0 / 0 votes

1. spinal accessory

   The spinal accessory refers to the spinal accessory nerve, also known as the 11th cranial nerve or simply accessory nerve. It is primarily involved in coordinating movements of the neck and shoulder, specifically controlling the muscles used for head rotation and shrugging the shoulders. It travels from the brain down the side of the neck and into the shoulder region. Damage to this nerve can result in weakness or loss of movement on one side of these areas.

Matched Categories

1. • Cranial Nerve

How to pronounce spinal accessory?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say spinal accessory in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of spinal accessory in Chaldean Numerology is: 4

2. Pythagorean Numerology

   The numerical value of spinal accessory in Pythagorean Numerology is: 8

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=spinal accessory
2. ^ Wikipedia
   https://en.wikipedia.org/wiki/Spinal_Accessory
3. ^ ChatGPT
   https://chat.openai.com