Internal Capsule: Anatomy And Functional Divisions

Internal Capsule: Anatomy And Functional Divisions

Question 1. Parts of internal capsule
Answer:

Parts of Internal Capsule:

1. Anterior limb

• Lies between the head of the caudate nucleus and lentiform nucleus

2. Genu

• It is bend between anterior and posterior limb

3. Posterior limb

• It lies between thalamus and lentiform nucleus

4. Sublentiform part

• Lies below lentiform nucleus

5. Retrolentiform part

• Lies behind lentiform nucleus

Question 2. Name the branches of vagus in neck.
Answer:

Branches of vagus in neck

Question 3. Give any four muscles supplied by hypoglossal nerve.
Answer:

• Muscles supplied by hypoglossal nerve
• Extrinsic muscle of tongue – styloglossus, genioglossus, hyoglossus
• Intrinsic muscles of tongue superior longitudinal, inferior longitudinal, transverse and vertical muscles

Question 4. Name the muscles supplied by oculomotor nerve.
Answer:

• Muscles supplied by oculomotor nerve
• Superior rectus of eyeball
• Inferior rectus of eyeball
• Medial rectus of eyeball
• Inferior oblique muscle
• Part of levator palpebrae superioris

Question 5. Neuro biotaxis
Answer:

• Neurobiotaxis is the tendency for a neuron to grow and develop towards the neuron or tissue it will innervate.