Anatomy Of HN&B 2 Flashcards
State the neonatal equivalent of Nasion, lamda, & asterion
Nasion: frontonasal
Lambda: none
Asterion: mastoid fontanelle
State the neonatal equivalent of bregma, Pterion and inion
Bregma: anterior fontanelle
Pterion: sphenoid fontanelle
Inion: posterior fontanelle
The Pterion is D-shaped. True or False?
False
What is the clinical relevance of the Pterion?
Trauma to the skull at the Pterion results in rupture of the middle meningeal artery
Which of the facial bones form the floor of the nasal cavity as well as the roof of oral cavity
Palantine bone
What are the contents of the anterior cranial fossa
Foramen carcum, cribiform foramina and anterior & posterior ethmoidal foramina
Olfactory nerves can be found in which foramen?
Cribiform foramina of cribiform plate
The opthalmic nerve is which branch of CN V?
First branch of CN V
Contents of the SOF
Opthalmic vein and nerve, CN III, IV, VI
Contents of the middle cranial fossa
Optic canals, SOF, Foramina(rotundum, ovale, spinousum, lacerum), hiatus of the greater petrosal nerve
The accessory meningeal artery lies in which foramen in which fossa?
The foramen ovale of the middle cranial fossa
The meningeal branch of CN V3 and the petrosal branch of middle meningeal artery belong to which foramen and fossa?
Same fossa: middle cranial fossa
A: foramen spinousum
B: hiatus of greater petrosal nerve
Contents of foramen magnum
Medulla & meninges, vertebral aa. , CN XI, dural vein, ant & post spinal aa
The internal acoustic meatus contains CN VII & VIII. True or false?
True
The inferior petrosal and sigmoid sinuses belong to which foramen?
Jugular foramen
