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Anatomy demonstrator, Warda Naz expansively touches all aspects of human neck anatomy at sqadia.com. Starting off with explanation of sternocleidomastoid muscle and its function, cervical lymphatics also comes under debate. The major blood vessels such as common, external and internal carotid artery are also discussed. Lastly, nerves of the neck along with cervical plexus are pursued.
Amongst the muscles of the neck discussed in this section include sternocleidomastoid muscle, trapezius muscle, omohyoid muscle, digastric muscle, and strap muscles. Warda Naz elaborate all these muscles comprehensively with the help diagrams.
Superficial and deep vessels are explained earlier in this section. Submental nodes drain the anterior floor of mouth. Upper jugular nodes of submandibular nodes drain posterior facial region. Subsequently, middle jugular nodes, lower jugular nodes, and posterior nodes are illustrated. Seven lymph node levels are discussed in succession.
Major Blood Vessels
The carotid arteries are major blood vessels in the neck through which blood is supplied. Common carotid artery arises from arch of aorta. External carotid artery lies against the side wall of pharynx. Internal carotid artery arises at bifurcation of common carotid. Likewise, internal jugular vein and external jugular vein is also discussed.
Nerves in the neck elucidated by the anatomy demonstrator under the lecture title human neck anatomy includes marginal mandibular branch of 7th cervical nerve, glossopharyngeal nerve, motor branch to stylopharyngeus, vagus nerve, superior laryngeal branches, recurrent laryngeal branches, spinal accessory nerve, and hypoglossal nerve.
Cervical plexus lies in series with brachial plexus on scalenus medius behind prevertebral fascia. After that muscular branches of cervical plexus comes under consideration. Cutaneous branches of cervical plexus supply front and sides of neck. Cervical plexus injury is the Injury to posterior branch nerves causes syndrome of pain or sensory loss.