Superficial And Lateral Neck Flashcards
Where do the facial, lingual and occipital arteries all branch off?
Level of the tip of the hyoid bone
Lateral neck layer 1
Platysma M.
External Jugular Vein
Lateral Neck Layer 2
Sternocleidomastoid M.
Spinal Accessory Nerve (XI)
Lateral neck layer 3
- Ansa Cervicalis
- superior and inferior roots
- Superior and inferior omohyoid M.
- Sternohyoid M.
- Sternothyroid M.
- thyrohyoid M.
What runs in the longitudinal vertical groove between the trachea and esophagus?
Recurrent laryngeal nerve
Where do all lymphnodes of the neck eventually go?
Deep cervical
Key Landmarks of the neck
Hyoid bone, 6th cervical vertebrae, anterior scalene muscle
Pre ganglionic parasympathetics that ultimately to the submandibular gland come from what?
Superior Salivatory nucleus
Postganglionic parasympathetics to the submandibular gland come from what?
Submandibular ganglion
Post ganglionic sympathetic fibers to the submandibular ganglion come from what and course through what to get there?
Superior cervical ganglion; external carotid and facial plexuses in the adventitia
The superior thyroid artery arises from what?
Common or external carotids
Inferior thyroid artery arises from what?
Thyrocervical trunk
The lowest thyroid artery arises from what?
Brachiocephalic, aorta, or left common carotid
Accidental removal of parathyroid glands during thyroidectomy may result in what?
Tetany and possibly ultimately death
What does the superior root of the ansa cervicalis give off?
hypoglossal nerve and nerve to thyrohyoid