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Anatomy.Chapter.14
The Brain and Cranial Nerves
Question | Answer |
---|---|
The largest part of the brain | Cerebrum |
Controls higher mental functions | cerebrum |
Divided into left and right hemispheres | cerebrum |
cerebral cortex | neural cortex |
elevated ridges | gyri |
shallow depressions | sulci |
deep grooves | fissures |
second largest part of the brain | cerebellum |
coordinates repetitive body movements | cerebellum |
Located under cerebrum and cerebellum and links the cerebrum with the brain stem | diencephalon |
relays and processes sensory information | thalamus |
produces hormones, controls emotion, and uses autonomic function | hypothalamus |
processes information between the spinal cord and cerebrum or cerebellum | the brain stem |
the midbrain. processes sight, sound and associated reflexes | mesencephalon |
maintains consciousness | mesencephalon |
connects cerebellum to brain stem and is involved in somatic and viseceral motor control | pons |
connects brain to spinal cord and relays information between them | medulla oblongata |
how much of the body's neural tissue is contained in the brain? | 97% |
each cerebral hemisphere contains one large... | lateral ventricle |
ventricle of the diencephalon | third ventricle |
ventricle that extends into the medulla oblongata and becomes continuous with central canal of the spinal cord | fourth ventricle |
controls visceral functions | medulla oblongata |
links cerebellum with mesencephalon, diencephalon, cerebrum, and spinal cord | pons |
adjusts postural muscles and fine-tunes conscious and subconscious movements | cerebellum |
damage from trauma, stroke, or intoxication. disturbs muscle coordination | ataxia |
found in posterior epithalamus and secretes melatonin | pineal gland |
secretes antidiuretic and oxytocin hormone | hypothalamus |
process offactory and other sensory information. controls reflex eating movement | mamillary bodies |