Nervous System Part.B Flashcards
What does the C.N.S consiste of
Brain and spinal cord
What do the brain and spinal cord serve
Coordination
Both brain and spinal cord are protected by:
Bones and meninges
What fills the spaces between the membranes
Cerebrospinal fluid (CSF)
What does cerebrospinal fluid provide
Cushioning and protection and nourishment for tissue and cells
What are the 3 meninges membranes
Dura Mater, Aracnoid, Pia Mater
What is Dura Mater
Under the skull, tough and full of blood vessels
What is aracnoid
Thin and delicate webbed membrane
What is Pia Mater
Closes to brain, membrane loaded with blood vessels
What is the hole called that connects brain and spinal cord
Foramen magnum
What are the two main functions of the spinal cord
- Connect the peripheral nervous system to brain
- Coordinate many reflex responses without brain
How to know Wich side is dorsal and ventral of spinal cord
Bumpy side is dorsal and has a lump in root
How to know Wich side is ventral
Thick side of H is ventral
3 distinct regions of brain
Forebrain, midbrain and hindbrain
What sections is the forebrain separated into
Cerebrum, thalamus and hypothalamus