Basal Ganglia & Thalamus

1.A 60-year-old male known hypertensive is on antihypertensive drug for 5 years, wakes up in the morning and notices difficulty in moving his right limbs. He was brought to emergency department. Neurological examination revealed right sided hemiplegia. CT scan revealed hemorrhage in the posterior limb of the left internal capsule.

• a) Name the blood vessel responsible for the haemorrhage.
• b) Discuss the white matter of cerebrum.
• c) Parts and fibres of internal capsule.
• d) Blood supply of internal capsule

2.A 60 years old hypertensive developed sudden paralysis of the left side of his body. On examination he had 'increased muscle tone', exaggerated deep tendon reflexes and positive Babinski’s sign on the affected side. Answer the following questions:

• a) Name the parts of internal capsule and the part in which the lesion is likely to be situated
• b) Enumerate the fibre constituents of each part of the internal capsule
• c) Which is the most commonly ruptured artery in the cerebral hemisphere.
• d) Describe the blood supply of internal capsule

1.Describe parts, relations, connections and clinical anatomy of basal ganglia

2.Internal capsule- parts, fibre constituents, arterial supply and applied anatomy

3.Basal nuclei

4.Internal capsule of brain

5.Internal capsule – parts, relations, ascending and descending fibers and applied anatomy

6.Association fibers of brain

7.Corpus striatum

1.Basal nuclei of cerebrum

2.Parts of basal ganglia with functional importance

3.Corpus callosum

4.Thalamus

1.Components of basal nuclei

2.Name the type of fibers in corpus callosum

1.Which of the following artery/arteries supply internal capsule

• 1) Pontine arteries 2) Anterior choroidal artery
• 3) Middle cerebral artery 4) Labyrinthine artery
• a) 1, 2, 3
• b) 1, 3, 4
• c) 2, 3
• d) 1, 2