21 terms

Sheep Brain

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Cerebellum
The "little brain" attached to the rear of the brainstem; its functions include processing sensory input and coordinating movement output and balance. "Broccoli like Structure"
Cerebral aqueduct
a canal connecting the third and fourth ventricles
Cerebrum
large part of the brain that controls the senses and thinking
Corpus Callosum
large band of white neural fibers that connects to to brain hemispheres and carries messages between them; myelinated; involved in intelligence, consciousness, and self-awareness; does it reach full maturity until 20s
Fornix
White matter "floor" of the lateral ventricles; involved with brain's memory center
Gyrus
a ridged or raised portion of a convoluted brain surface
Hypothalamus
a neural structure lying below the thalamus; directs eating, drinking, body temperature; helps govern the endocrine system via the pituitary gland, and is linked to emotion
Longitudinal Fissure
divides the cerebrum into right and left cerebral hemispheres
Medulla
Base of the brain stem which is nearest the spinal cord (1st bump) which controls breathing, heart rate and blood pressure
Optic Chiasma
the crossing of the optic nerves from the two eyes at the base of the brain (X like structure)
Optic Tract
the fibers from the optic chiasm to the LGN; posterior to the optic nerve
Pineal Gland
A small cone-shaped gland located in the roof of the third ventricle of the brain. Its major endocrine product is melatonin. Its endocrine role in the body is controversial.
Pituitary Gland
Small, round gland at the base of the brain:most important hormone secreting gland
Pons
a band of nerve fibers linking the medulla oblongata and the cerebellum with the midbrain (2nd bump above spinal chord the 1st is the medulla)
Spinal Chord
the conduit between the brain and the PNS for incoming sensory data and outgoing movement commands to the muscles
Sulcus
shallow grooves in cerebrum (black)
Thalamus
large egg-shaped structures of gray matter that form the dorsal subdivision of the diencephalon
Transverse Fissure
separates cerebral hemispheres from cerebellum
Ventricles 1-4
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Cranial Nerves
12 nerves which carry impulses to and from the brain
Arbor Vitae
treelike branching of the cerebellar white matter; "tree of life"
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