Question

In the PCML pathway, where do the dorsal column fasciculi get their input from?

a) Muscle spindle
b) Pacinian corpuscles
c) Meissner's corpuscles
d) Merkel disks

Answer 1

The dorsal column fasciculi in the PCML pathway receive their input from Meissner's corpuscles, which are mechanoreceptors in the skin that respond to light touch.

Step-by-step explanation:

The dorsal column fasciculi in the PCML (Posterior Column-Medial Lemniscus) pathway receive their input from Meissner's corpuscles. Meissner's corpuscles are mechanoreceptors located in the skin that respond to light touch. They are found in the dermis, which is the middle layer of the skin.