Lab 1-Gross Brain I

Question 0

Arachnoid villi

Answer 0

Aka granulations
Project through dura to venous sinuses

Allows CSF to exit

Question 1

Arachnoid

Answer 1

1/2 of the CT coverings (leptomeninges) of CNS

Between pia and dura, trabeculae to pia that closely invest BVs on pia

Question 2

Basilar artery

Answer 2

On ventral side of brain stem to circle of Willis caudally

Question 3

Carotid rete (rete mirable)

Answer 3

Sheep and cat: branch of maxillary. Retes lie in cavernous sinus

Heat countercurrent exchange

Rete arterioles–>circle of Willis to cool brain

Question 4

Caudal cerebellar artery

Answer 4

?

Question 5

Caudal communicating arteries

Answer 5

?

Question 6

Cavernous sinus

Answer 6

?

Question 7

Central nervous system

Answer 7

?

Question 8

Cerebral aqueduct of Sylvius (mesencephalic aqueduct)

Answer 8

?

Question 9

Cerebral arterial circle (circle of Willis)

Answer 9

?

Question 10

Cerebrospinal fluid

Answer 10

Choroid plexus–>lateral ventricles–>foramen of Monro–>3rd ventricle–>cerebral aqueduct–>4th ventricle–>subarachnoid space–>out via arachnoid villi–>venous sinus

Cushions/protects, removes metabolites, peptide hormones

Question 11

Choroid plexus

Answer 11

?

Question 12

Cisterna magna

Answer 12

?

Question 13

Corpus collosum

Answer 13

?

Question 14

Dorsal sagittal sinus

Answer 14

?

Question 15

Dura mater

Answer 15

?

Question 16

Ependyma

Answer 16

?

Question 17

Falx cerebri

Answer 17

?

Question 18

Fourth ventricle

Answer 18

?

Question 19

Hypophysis (pituitary gland)

Answer 19

?

Question 20

Internal carotid artery

Answer 20

?

Question 21

Interventricular foramen (foramen of monro)

Answer 21

?

Question 22

Lateral recess of fourth ventricle

Answer 22

?

Question 23

Lateral ventricles

Answer 23

?

Question 24

Leptomeninges

Answer 24

Pia mater and arachnoid

Connective tissue coverings of the CNS

Question 25

Longitudinal (cerebral) fissure

Answer 25

?

Question 26

Meninges

Answer 26

?

Question 27

Middle cerebral artery

Answer 27

?

Question 28

Optic chiasm

Answer 28

?

Question 29

Peripheral nervous system

Answer 29

?

Question 30

Pia mater

Answer 30

?

Question 31

Rostral cerebellar artery

Answer 31

?

Question 32

Rostral cerebral artery

Answer 32

?

Question 33

Subarachnoid space

Answer 33

?

Question 34

Third ventricle

Answer 34

?

Question 35

Transverse sinus

Answer 35

?

Question 36

Ventral spinal artery

Answer 36

?

Question 37

Venous sinuses

Answer 37

?

Question 38

Vertebral arteries

Answer 38

?