Lecture 2

Question 1

What is the Central Nervous System (CNS) and what is it made up of?

Answer 1

• The complex of nerve tissue that controls the activities of they body
• in vertebrates, it comprises (of) the brain and spinal cord

It is made up of:

• Brain
• spinal cord

Question 2

What is the Peripheral Nervous System (PNS) and what is it made up of?

Answer 2

• The nervous system outside the brain and spinal cord

It is made up of:

• Somatic nervous system which contains afferent nerves (carries information to - sensory) and efferent nerves (carries information from (motor)
• Automatic nervous system which contains afferent nervous and efferent nerves (parasympathetic - rest VS digest) and (sympathetic - fight VS flight)

Question 3

What are the 6 elements/parts of the scalp?

Answer 3

• Skin
• bone (skull)
• pericranium
• loose areolar
• galea aponeurotica
• subcutaneous connective tissue

Question 4

How many bones are there in the skull and what are these bones?

Answer 4

• 22 bones
• 8 cranial
• 14 facial
• The cranial bones line up with the cerebral bones

Question 5

What are Meninges?

Answer 5

• Meninges = Membranes
• Meningitis = inflammation of the meninges
• Dura mater = Hard
• Mother - Arachnoid mater
• (Subarachnoid space in between, filled with cerebral spinal fluid)
• Arachnoid traebeculae