Definition of brainstem in English:

brainstem

Syllabification: brain·stem
Pronunciation: /ˈbrānˌstem
 
/
(also brain stem)

noun

Anatomy
The central trunk of the mammalian brain, consisting of the medulla oblongata, pons, and midbrain, and continuing downward to form the spinal cord.
More example sentences
  • The twentieth century opened with knowledge that the brainstem (pons and medulla) generates regular breathing.
  • The brainstem consists of the midbrain, pons and medulla, structures located deep in the back of the brain.
  • Nearly all cases of PML involve the cerebral white matter, but it may also involve white matter of cerebellum, brainstem and spinal cord.

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Word of the day internecine
Pronunciation: ˌintərˈnesēn
adjective
destructive to both sides in a conflict