QuestionSBA
QuestionChoice
Incorrect. The arrow points to the epiglottis. The cartilages derived from the sixth arch include the cricoid, arytenoid, corniculate, and cuneiform cartilages of the larynx.
10009068
d
Sixth pharyngeal arch
QuestionChoice
Correct. The arrow points to the epiglottis. The cartilages derived from the fourth arch include the thyroid cartilage (although this is mainly neural crest cell-derived) and the epiglottic swelling that later forms the epiglottis. The epiglottic valleculae on its anterior surface have taste innervation from the internal laryngeal branch of the vagus nerve.
10009065
a
Fourth pharyngeal arch
QuestionChoice
Incorrect. The arrow points to the epiglottis. The cartilages derived from the third arch include the greater horn and lower part of the body of the hyoid bone.
10009066
b
Third pharyngeal arch
QuestionChoice
Incorrect. The arrow points to the epiglottis. The fifth arch regresses soon after forming and doesn't give rise to any structures.
10009069
e
Fifth pharyngeal arch
QuestionChoice
Incorrect. The arrow points to the epiglottis. The third pouch does not have a cartilage component, but gives rise to the thymus and inferior parathyroid glands.
10009067
c
Third pharyngeal pouch
Concept
Chapter
2693
5303
Larynx
Topic
201
Head and neck anatomy
14360
Picture
1720
15 - Larynx (epiglottis).png
images/sa6x6xec1682950589190.jpg
images/sa6x6xec1682950589190_256.jpg
images/sa6x6xec1682950589190_512.jpg
ZAgGDYCoGKeAh3iOdllnifmGfI+X
Topic
201
Head and neck anatomy
Which of the following correctly describes the embryological origin of the labelled structure?

[lightgallery]
a