Nervous System

Question 1

What is the dorsal funiculi? What are two other names for it?

Answer 1

Funiculi is a big version of fasciculus. It is the dorsal white column within the spinal cord. Can also be called dorsal fasciculi and dorsal columns. 
It is divided into two parts on either side of the posterior median sulcus-
Gracile fasciculus (inner, lower limbs)
Cuneate fasciculus (outer, upper limbs)

Question 2

Where does the first order neuron decussate in the medical lemniscal system?

Answer 2

Int. arcuate fibres (between cuneate / gracile NUCLEUS and the medial lemniscus in the lower medulla.