chapter 14 - the brain and cranial nerves Flashcards
what are the three protective coverings of the brain?
dura, arachnoid, and pia mater
what are extensions of the dura mater that form hard membranes?
dural extensions
what are the three important dural extensions?
falx cerebri, falx cerebelli, tentorium cerebelli
what depends vertically on the brain, separating into two cerebral hemispheres?
falx cerebri
what small triangular process separates the two cerebellar hemispheres?
falx cerebelli
what separates the cerebrum from the cerebellum?
tentorium cerebelli
what produces cerebral spinal fluid?
choroid plexues
what reabsorbs cerebral spinal fluid into the blood?
arachnoid villi
what makes up the brain stem?
medulla oblongata, pons, and midbrain
what controls breathing and heart rate?
medulla oblongata
what is the relay station of the brain, involved in motor control and sensory analysis?
pons
what part of the brain is responsible for. vision, hearing, and eye & body movements?
midbrain
what is a netlike region of gray and white matter inter spread throughout the brainstem?
reticular foramen
what functions to maintain consciousness?
reticular activating system (RAS)
what makes up the diencephalon?
thalamus, epithalamus, and hypothalamus