NECK & FACIAL ANATOMY Flashcards
PHARYNX
nasopharynx (soft palate), oropharynx (epiglottis), laryngopharynx (post hyoid, cricoid cart).
ESPHAGUS
lar/phar- cardiac orifice stom. begins post cricoid cart, between trachea and vert, 2 sphincters.
TRACHEA
Airway till carina T4/5. Elastic (16-20cm), closed post by elastic connective tissue, allows eso movement.
LARYNGEAL CARTILAGES
Cricoid- base of larynx (circular), thyroid- most sup, protect vocals, epiglottis (elastic).
Paired: arytenoid (post pyramids), corniculate, cuneiform.
SALIVARY GLANDS
Parotid, submandibular, sublingual.
KEY NECK STRUCTURES
Hyoid, thyroid notch, laryngeal prominence, cricothyroid ligament, arch of cricoid, thymus, orbit.
THYROID GLAND
Endo @ cricoid, r+l isthmus, hugs trachea, excretes t3,t4 calcitonin c5-t1
PARATHYROID GLANDS
Post thyroid lobes 4 of them.
CERVICAL LYMPH NODE REGIONS
75/side of neck, regions- submental & submanbibular, upper IJV, middle IJV, lower IJV, post triangle nodes, ant tri nodes, sup mediastinal nodes.
MAJOR NECK VESSELS
common carotid - internal/external carotid a -
ijv