What comprises the diencephalon?
Thalamus and hypothalamus
The diencephalon cnnects which aspects of the brain?
Right and left hemispheres and midbrain
How is the hypothalamus connected to the pituitary?
Into which two parts is the pituitary gland split?
Anterior and posterior
The pituitary gland sits within the pituitary fossa which is located in which bone?
The pituitary fossa lies within what?
What are the two types of retina within the eye?
- Nasal retina
- Temporal retina
The optic canal runs through which bone?
The right and left optic nerves combine/cross over forming what?
The pituitary gland originates from which embryogenic tissue?
Which aspect of the pituitary is most glandular?
The optic chiasm gives off what?
Where do the optic tracts synapse?
What happens after the optic tracts synapse in the thalamus?
The next axons in the chain pass via the optic radiation to the visual cortex in the occipital lobe
Optic nerves from the nasal retinae will _______ _______ at the optic chiasm
Optic nerves from the nasal retinae will switch sides at the optic chiasm
What is the name of the condition when a patient loses the ability to see bilaterally in the temporal side of their vision?
Which two surgical procedures can allow access to the pituitary gland?
- Transcranial approach (under frontal lobe)
- Transsphenoidal approach (via nasal cavities and sphenoid sinus)
Which nasal conchae bone is a bone in itself without joining another conchae bone?
Inferior nasal concha
Both the ________ and __________ nasal conchae are part of the _________ bone
Both the superior and middle nasal conchae are part of the ethmoid bone
How many types of paranasal sinuses are there?
What are paranasal sinuses?
Air filled spaces within bones surrounding the nasal cavity
What are the four different paranasal sinuses?
- Frontal sinuses
- Maxillary sinuses
- Ethmoidal air cells
- Sphenoid sinuses
Which type of mucusa lines the paranasal sinuses?
Respiratory mucosa (mucous-secreting)
What are some proposed functions for the paranasal sinuses?
- To make mucous and drain it into the nasal cavities
- Reduce weight of skull
- Add resonance to voice
Which type of fracture can be caused to allow for better surgical access to the pituitary via the transnasal approach?
Le fort I
Which artery crosses the anterior surface of the pons?
What is the name of cranial nerve III
What is the name of cranial nerve IV?
What is the name of cranial nerve VI?
What are the three branches of the trigeminal nerve (CN V)