Meninges, ventricles, CSF Flashcards Preview

Year 1 Neuroanatomy > Meninges, ventricles, CSF > Flashcards

Flashcards in Meninges, ventricles, CSF Deck (7)
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1
Q

what is the shape of an epidural hematoma? does it cross the midline?

A
  1. lens shaped 2. yes
2
Q

what is the shape of a subdural hematoma? does it cross the midline?

A
  1. sickle shaped 3. no
3
Q

where is the third ventricle located?

A

midline region of diencephalon

4
Q

what are the boundaries of the fourth ventricle?

A

posterior - cerebellum anterior - pons and rostral medulla

5
Q

the anterior choroidal artery is a direct branch of what artery? posterior choroidal?

A
  1. anterior choroidal - middle cerebral 2. posterior choroidal - posterior cerebral
6
Q

blood passes through which layers to go from a blood vessel to get to CNS tissue?

A

endothelium of capillary, pia mater, ependymal lining

7
Q

what is the ‘true blood brain barrier’?

A

tight junctions of the endothelial cells of the cerebral capillaries (astrocytes and glial cells control access to neurons)