The medulla oblongata is part of the brain stem, but the brain stem also includes the pons and the midbrain.
medulla
medulla of brainstem
The midbrain, the pons, and the medulla.
no
Medulla oblongata
Medulla oblongata.
Medulla
Pons, mid-brain and medulla
no
medulla
midbrain, pons, medulla oblongata
Medulla oblongata, the lower part of the brainstem.