Grooves & Pouches Flashcards
0
Q
Obliterated by the down-growth of the second arch
Groove
A
2nd, 3rd, 4th, 5th, 6th
1
Q
*External auditory meatus
A
1st Groove
2
Q
- Tympanic membrane
- Tympanic cavity
- Mastoid antrum
- Eustachian tube
A
1st Pouch
3
Q
- Tonsil
* Largely obliterated
A
2nd Pouch
4
Q
- Inferior Parathyroid gland
* Thymus
A
3rd Pouch
5
Q
- Superior Parathyroid gland
* Ultimobranchial body (which gives rise to parafollicular cells of thyroid gland)
A
4th Pouch
6
Q
Transient (Pouches)
A
5th and 6th
7
Q
- Mandible and Maxilla
- Meckel’s Cartilage
a. Malleus and Incus
b. Sphenomalleolar ligament
c. Sphenomandibular ligament
A
1st Arch
8
Q
- Reichert’s Cartilage
a. Styloid process of temporal bone
b. Sylohyoid ligament
c. Stapes
d. Lesser horns of the hyoid bone
e. Upper part of the body of the hyoid bone
A
2nd Arch
9
Q
- Lower parts of the body of the hyoid bone
2. Greater horns of the hyoid bone
A
3rd Arch
10
Q
- Cartilage of the larynx
A
4th Arch
11
Q
Transient (Arches)
A
5th and 6th
