Quiz1_Answers_2012 - 1. Briefly contrast the sensory...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1. Briefly contrast the sensory information relayed by Nucleus A vs Nucleus B, in terms of the region of the body, and the type of sensation involved. (4pt) Nucleus A is the cuneate nucleus. It relays “fine, discriminative” touch (1pt), which ascends in the cuneate fasciculus from the upper part of the body, including the upper limb (1pt). Nucleus B is the spinal nucleus of the trigeminal nerve (V). It relays pain/temperature and crude touch information (1pt) from the face (1pt). 2. What peripheral sensory organ sends input to nucleus A? Vestibular apparatus (e.g. semicircular canals)(1pt) Name nucleus B. Inferior Olivary Nucleus (1pt) What other large hindbrain structure is nucleus B related to? Cerebellum (1pt) 3. The axonal tract indicated by the arrow has degenerated, and lost it’s myelin staining, because of syphilis affecting the cells of origin of the axons. Where are the cell bodies of these axons located? Dorsal root ganglia in the lower half of the body (1pt) 4. Identify Nucleus A.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Quiz1_Answers_2012 - 1. Briefly contrast the sensory...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online