Unit 2 Skull Flashcards
ID Structure
(black twist tie is in the right one;
arrow pointing to the left one)
Foramen Spinosum
ID Structure
Pterygoid Hamulus
ID Structure
Anterior Clinoid Process
ID Structure
(where black twist tie is sitting in a circle)
Hypophyseal Fossa
ID Structure
Dorsum Sellae
ID Structure
Optic Canal
ID Structures
Green - Optic Canal
Blue - Superior Orbital Fissure
Purple - Foramen Rotundum
ID Structures
Blue - Foramen Spinosum
Green - Foramen Ovale
Purple - Foramen Lacerum
ID Structure
Posterior Clinoid Process
What 2 structures do you find in the optic canal?
Optic n. (CN II)
Ophthalmic a. (branch of internal carotid a.)
Name 5 structures that travel through the superior orbital fissure.
- Superior ophthalmic v.
- Oculomotor n. (CN III)
- Trochlear n. (CN IV)
- Ophthalmic n. (V1)
- Abducens n. (CN VI
Which three direct branches of facial n. (or the geniculte ganglion) arise within the petrous portion of the temporal bone?
- greater petrosal n. (from geniculate ganglion)
- stapedial n.
- chorda tympani
What is the bony course of the greater petrosal n.?
geniculate ganglion –>
____________ –>
____________ –>
____________ –>
pterygopalatine ganglion
hiatus of canal for greater petrosal n. –>
foramen lacerum –>
pterygoid canal
The glossopharyngeal n. leaves the cranial cavity through the ________ _______.
jugular foramen