Inferior Cerebellar Peduncle: Anatomy And Tracts Explained

Inferior Cerebellar Peduncle: Anatomy And Tracts Explained

Question 1. Name any four tracts passing through inferior cerebellar peduncle
Answer:

Afferent Tracts:

• Posterior spinocerebellar
• Cuneocerebellar
• Olivo cerebellar
• Parolivo cerebellar
• Reticulo cerebellar
• Anterior external arcuate fibres
• Striae medullares
• Trigemino cerebellar

Efferent Tracts:

• Cerebellovestibular
• Cerebelloolivary
• Cerebelloreticular

Question 2. Choroid plexus
Answer:

• The tela choroidea of fourth ventricle with vascular fringes is covered by secretory ependyma to form choroid plexus
• It consists of
  1. Vertical limb
     • Lies next to midline
     • Both sides limbs lie side by side to form T-shaped structure
     • This projects into subarachnoid space
  2. Horizontal limb
     • Extends into lateral recesses

Arterial supply:

• Posterior inferior cerebellar arteries