Introduction To Neuro-anatomy

Question 1

What are the two important components of the Nervous system?

Answer 1

CNS - Brain (encephalon) & spinal chord (medulla spinalis)

PNS - composed of the sensory and motor parts

Question 2

Basic function of the CNS?

Answer 2

Receive and process sensory input through the sensory system and other parts of the body and to activate appropriate actions to the external/internal stimuli through the motor system.

Question 3

Sensory PNS subdivision

Answer 3

Specialised sensation - composed of specialised sense organs whereas; include vision, olfaction, taste, hearing, and equilibrium & position

General sensation - lack specialised sense organs and can be found throughout the body. Further subdivided into somatic/ extero-receptive sensation (which is localised and superficial e.g. skin and locomotion) and visceral/proprioreceptive sensation (which is vague and deep e.g. Dull pain and distension of the abdomen)