Meninges, ventricles, CSF Flashcards Preview

Year 1 Neuroanatomy > Meninges, ventricles, CSF > Flashcards

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

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

1. lens shaped 2. yes

2

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

1. sickle shaped 3. no

3

where is the third ventricle located?

midline region of diencephalon

4

what are the boundaries of the fourth ventricle?

posterior - cerebellum anterior - pons and rostral medulla

5

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

1. anterior choroidal - middle cerebral 2. posterior choroidal - posterior cerebral

6

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

endothelium of capillary, pia mater, ependymal lining

7

what is the 'true blood brain barrier'?

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