Basal Ganglia

Question 1

Enumerate the basal nuclei

Answer 1

1. Copus striatum (caudate nucleus & lentiform nucleus which is formed of globus pallidaus & putamen)
2. Amygdaloid nucleus
3. Claustrum

Question 2

Head of caudate is continuous with….

Answer 2

Putamen

Question 3

Describe relation of caudate to lateral ventricle

Answer 3

Head bulges into ant horn
Body lies in the floor of the body of lateral ventricle
Tail lies in roof of inferior horn

Question 4

Tip of tail of caudate in continuous with…l

Answer 4

Amygaloid nuclei

Question 5

The structure dividing lentiform nucleus is…..

Answer 5

External medullary lamina

Question 6

……recieves afferents while…..sends efferents in basal ganglia

Answer 6

Neostriatum (caudate & putamen)
Paleostiatum (globus pallidus)

Question 7

Substantia nigra is found in…..& dividied into…&….

Answer 7

Midbrain
Pars compacta & pars reticulata

Question 8

Describe location of subthalamic nuclei

Answer 8

Lateral to red nucleus & dorsal to substantia nigra

Question 9

Describe blood supply of basal ganglia

Answer 9

Central branches of ant & middle verebral arteries. Veins drain into thalamostriate vein.