| / English Dictionary |
BRAIN-STEM
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus
Synonyms:
brain-stem; brain stem; brainstem
Classified under:
Hypernyms ("brain-stem" is a kind of...):
neural structure (a structure that is part of the nervous system)
Meronyms (parts of "brain-stem"):
bulb; medulla; medulla oblongata (lower or hindmost part of the brain; continuous with spinal cord; ('bulb' is an old term for medulla oblongata))
pons; pons Varolii (a band of nerve fibers linking the medulla oblongata and the cerebellum with the midbrain)
reticular formation; RF (a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone)
Holonyms ("brain-stem" is a part of...):
brain; encephalon (that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord)
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