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30 Οκτ 2023 · The spinal part (external ramus) of the accessory nerve leaves the anterior surface of the upper five segments of the spinal cord between the dorsal and ventral sulci. Revise the location of the 12 cranial nerves with the following quiz.
12 Οκτ 2023 · The accessory nerve is the eleventh paired cranial nerve. It has a purely somatic motor function, innervating the sternocleidomastoid and trapezius muscles. In this article, we shall look at the anatomy of the accessory nerve – its anatomical course, motor functions and clinical correlations.
23 Σεπ 2023 · The accessory nerve, also known as the eleventh cranial nerve (CN XI), is a unique cranial nerve that has both cranial and spinal roots. It is primarily a motor nerve, supplying muscles involved in movements of the neck and shoulders.
17 Ιουλ 2023 · An unusual nerve that contains both cranial and spinal roots. 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.
14 Οκτ 2022 · The accessory nerve, also called the spinal accessory nerve, or historically, the nerve of Willis, is the eleventh cranial nerve (CN XI) and is composed of two parts, the cranial part and the spinal part (TA: nervus accessorius or nervus cranialis XI).
Spinal accessory nerve refers to the spinal component of the accessory nerve, which innervates the sternocleidomastoid and trapezius muscles. The accessory nerve is the eleventh cranial nerve, which is purely somatic motor. It comprises of spinal and cranial sub-components.
12 Απρ 2019 · Cranial nerve XI is the accessory nerve, supplying somatic motor fibres to two large muscles: the sternocleidomastoid and trapezius. In this article, we look in more detail at the structure, function and clinical relevance of the accessory nerve. Check out our summary of the cranial nerves.
