The facial nerve provides motor innervation to the muscles of facial expression. The origin of the upper head of the lateral pterygoid muscle is the inferior temporal surface of the greater wing of the sphenoid bone.
Head Anatomy Muscles Glands Arteries And Nerves Kenhub
The cervical spine section contains seven vertebrae c 1 through c 7 and eight nerve pairs c 1 through c 8.
Head anatomy muscles. The cervical plexus is formed by the c1 to c5 spinal nerves giving off two branches innervating the head. The lateral pterygoid has two parts. They attach to various parts of the skull and other muscles allowing for a vast array of different facial expressions.
This large neck muscle helps rotate the head upward and side to side. The muscles of the head include the tongue muscles of facial expression extra ocular muscles and muscles of mastication. Muscles of the head neck anatomy model.
Salivary glands are controlled by autonomic nerves stemming mainly from the same facial nerve. The muscles of the face overlap and crisscross over each other creating a mask of muscle over the skull and jawbone. If you continue to use this site we will assume that you are happy with it.
The lateral pterygoid muscle is the primary muscle of the inferior temporal fossa. This is a quick video that i made to review over a few head face and neck muscles before spring break. The tongue comprises of intrinsic and extrinsic muscles.
Teachme anatomy part of the teachme series the medical information on this site is provided as an information resource only and is not to be used or relied on for any diagnostic or treatment purposes. An upper head and a lower head. The top section of the spine is the cervical section which contains nerves that innervate muscles of the head neck and thoracic cavity as well as transmit sensory information to the cns.
Muscles of the head face and neck. The muscles of the head and neck perform many important tasks including movement of the head and neck chewing and swallowing speech facial expressions and movement of the eyes. We use cookies to ensure that we give you the best experience on our website.
These diverse tasks require both strong forceful movements and some of the fastest finest and most delicate adjustments in the entire human body. Lesser occipital and greater auricular nerves. It receives motor innervation from the hypoglossal nerve.
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