Ear Development: Middle Ear Flashcards
1
Q
Middle ear development
A
- Derived from tubotympanic recess which grows outwards
- Its blind end expands to from tympanic cavity
- Its stalk forms pharyngo-tympanic tube
2
Q
Mesoderm surrounding recess gives rise to
A
- Middle ear ossicles
- Middle ear muscles
3
Q
Middle ear ossicles
A
- Malleus and incus
- Stapes
4
Q
Middle ear muscles
A
- Tensor Tympani
- Stapedius
5
Q
Malleus and incus
A
Derived from 1st arch
6
Q
Stapes
A
Derived from 2nd arch
7
Q
Tensor Tympani
A
Derived from 1st arch
8
Q
Stapedius
A
Derived from 2nd arch
