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CBNS106 Functions of Brain
Functions of Brain structures
27
Biology
Undergraduate 4
05/26/2011

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Term
Medulla
Definition
decussation of fibers/regulation of autonomic functions (adjusts heart rate)
Term
Pons
Definition
Control of breatheing movements/regulates states of attentiveness and arousal
Term
Midbrain- Superior Colliculus
Definition
processes and carries sensory information about vision
Term
Midbrain- Inferior Colliculus
Definition
processes and carries sensory information about audition
Term
Thalamus
Definition
relays sensory information to the higher brain structures
Term
Hypothalamus
Definition
hormone & autonomic control
Term
Pituitary gland
Definition
important endocrine organ that secretes many hormones
Term
Meninges
Definition
protective covering of the central nervous system
Term
Dura Mater
Definition
Meninges; outermost layer/tough & inelastic
Term
Pia Mater
Definition
Meninges; innermost layer/separated from Arachnoid layer by CSF-filled subarachnoid space
Term
Arachnoid Mater
Definition
Meninges; middle layer, just beneath the dura mater
Term
Cerebrospinal fluid
Definition
bathes & cushions CNS/nourishes and removes waste from CNS
Term
Cerebellum
Definition
involved in fine motor control
Term
Cerebrum
Definition
aka neocortex; associated with higher brain functions, such as reasoning, planning, visual processing, memory
Term
grey matter
Definition
part of cerebrum; regions containing neuronal cell bodies in the CNS
Term
White matter
Definition
part of cerebrum; regions of the CNS containing mostly myelinated axons
Term
Myelin
Definition
part of cerebrum; oligodendroglia wrap around CNS axons. Function to speed the propagation of nerve impulses down the axon
Term
Cranial nerves
Definition
know the functions, see the cranial nerve flashcard set
Term
Olfactory bulbs
Definition
processing information about odor
Term
Brain ventricles
Definition
a series of cavities in the CNS that contain the cerebral spinal fluid; kknow where CSF is produced and the flow from one ventricle to the next

LATERAL, THIRD, FOURTH, CENTRAL CANAL
Term
Choroid plexus
Definition
look for the loose, spongy, brown stuff lying in the lateral ventricles; produce the cerebral spinal fluid
Term
Septum pellucidum
Definition
a thin membrane that separates (anteriorly) the paired lateral ventricles
Term
Corpus collosum
Definition
sheet of fibers that carries information between right and left neocortices
Term
Cerebral aqueduct
Definition
connects the third and fourth ventricles
Term
Pineal body
(aka pineal gland)
Definition
involved in diurnal rhythms
Term
Caudate nucleus
Definition
involved in the integration of sensory and motor information from all areas in the cortex
Term
Hippocampus
Definition
learning & memory
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