Neck Anatomy

Question 1

Retropharyngeal space anatomy

Answer 1

potential space in the pharynx separated by pharyngobasilar fascia from skull to upper mediastinum and bound laterally by carotid/paraphyrngeal spaces

retropharyngeal space/ alar fascia/ danger space/ prevertebral fascia/ prevertebral space

Question 2

Fascial anatomy of floor of the mouth

Answer 2

sublingual space: genioglossus and geniohyoid muscles and sling of mylohydoid

Question 3

divisions of the larynx

Answer 3

supraglottic, glottis, subglottic and trachea

Question 4

cartilaginous components of the larynx

Answer 4

epiglottis, thyroid cartilage, cricoid, arytenoids

Question 5

supraglottic larynx components

Answer 5

epiglottic to ventricles

false vocal cords, aryepiglottic folds, arytenoids

Question 6

glottis

Answer 6

true vocal cords, thyroarytenoid muscle

Question 7

subglottic larynx

Answer 7

1 cm inferior to apex of ventricles and extends to first tracheal ring

Question 8

paranasal sinuses

Answer 8

frontal sinus, ethmoid air cells, sphenoid sinus, maxillary sinus

ethmoid infundibulum, lamina papyracea, maxillary sinus ostium, uncinate process, turbinates, agger nasi cells

Question 9

ostiomeatal unit

Answer 9

common drainage pathway for maxillary, frontal, anterior ethmoid sinuses&raquo_space; middle meatus

maxillary sinus ostium > infundibulum > uncinate process > hiatus semilunaris > ethmoid bulla > middle meatus

Question 10

ethmoid air cell drainage

Answer 10

anterior ethmoids&raquo_space; frontal recess into middle meatus

posterior ethmoids&raquo_space; superior turbinates into superior meatus