8.Neck - SDU. SDU. LIZHENHUA LIZHENHUA Regional anatomy of...

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Unformatted text preview: SDU. SDU. LIZHENHUA LIZHENHUA Regional anatomy of neck @  * �  � � SDU. SDU. LIZHENHUA LIZHENHUA Parts and regions of the neck Boundaries Superior u a line joining inferior border of mandible, angle of mandible, tip of mastoid process, superior nuchal line and external occipital protuberance Inferior u a line joining jugular notch, sternoclavicular joint, superior border of clavicle, acromion and spinous processes of C7 SDU. SDU. LIZHENHUA LIZHENHUA Landmarks of the neck Hyoid bone u& Thyroid cartilage u & & & Cricoid cartilage u& & & Catotid tubercle z SDU. SDU. LIZHENHUA LIZHENHUA Landmarks of the neck Hyoid bone u& Thyroid cartilage u & & & Cricoid cartilage u& & & Catotid tubercle LY SDU. SDU. LIZHENHUA LIZHENHUA Landmarks of the neck Sternocleidomastoid Suprasternal fossa Greater supraclaviclar fossa SDU. SDU. LIZHENHUA LIZHENHUA Regions of neck Neck u Anterior region of neck u& & Sternocleidomastoid region P z E Lateral region of neck P z Nape u & SDU. SDU. LIZHENHUA LIZHENHUA Triangles of anterior region of neck Suprahyoid region u & && Submental triangle u& & & Submandibular triangle N/ C Infrahyoid region u && & Carotid triangle N/ C Muscular triangle u& & SDU. SDU. LIZHENHUA LIZHENHUA Triangles of l ateral region of neck Occipital triangle u& & supraclavicular triangle a & & & & (greater supraclavicular fossa) u & & u & SDU. SDU. LIZHENHUA LIZHENHUA Skin of the neck The natural line of cleavage of the skin are constant and run almost horizontally around the neck SDU. SDU. LIZHENHUA LIZHENHUA Superficial fascia Contents Platysma u& & Superficial veins Anterior jugular v. u& & & External jugular v. u& & & Cutaneous nerves Lesser occipital n. u & & & Greet auricular n. u& & & Transverse nerve of neck u & & & Supraclavicular n. 7 Cervical branch of facial n. 7 SDU. SDU. LIZHENHUA LIZHENHUA Cervical fascia u & & Superficial layer of cervical fascia H F T (investing fascia u & & & ) Encloses trapezius, sternocleidomastoid, posterior belly of digastric and parotid and submandibular glands Attached to bony landmarks of upper and lower boundaries of neck and zygomatic arch of face SDU. SDU. LIZHENHUA LIZHENHUA Cervical fascia u & & Pretracheal layer u & & & Lies deep to the infrahyoid muscle Encloses viscera of neck: pharynx, larynx, trachea, esophagus, thyroid gland and parathyroid glands Completely surrounds thyroid gland, forming a sheath for it, and bind the gland to larynx to form suspensory ligament of thyroid gland H FT , Extends from arch of cricoid cartilage, thyroid cartilage and hyoid bone to fibrous pericardium of superior mediastinum SDU. SDU. LIZHENHUA LIZHENHUA...
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This note was uploaded on 01/08/2011 for the course ENT 8 taught by Professor Drayman during the Spring '10 term at Cairo University.

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8.Neck - SDU. SDU. LIZHENHUA LIZHENHUA Regional anatomy of...

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