brainstem

An anatomical
illustration from the 1908 edition of Sobotta"s Anatomy Atlas
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Middle
cerebral artery (MCA) infarct • Cerebral vascular territories (illustration) - Ganzer Fall bei Radiopaedia
Gaillard, F. Cerebral vascular territories (illustration). Case study, Radiopaedia.org. (accessed on 21 Oct 2022) https://doi.org/10.53347/rID-10814 • CC by-nc-sa 3.0 (modified)
Cerebral
venous thrombosis • Venous vascular territories of the medial cerebral cortex (illustration) - Ganzer Fall bei Radiopaedia
Hacking, C. Venous vascular territories of the medial cerebral cortex (illustration). Case study, Radiopaedia.org. (accessed on 20 Oct 2022) https://doi.org/10.53347/rID-80213 • CC by-nc-sa 3.0 (modified)
Anterior
inferior cerebellar artery • Brainstem arterial territories (diagrams) - Ganzer Fall bei Radiopaedia
Hacking, C. Brainstem arterial territories (diagrams). Case study, Radiopaedia.org. (accessed on 27 Oct 2022) https://doi.org/10.53347/rID-81960 • CC by-nc-sa 3.0 (modified)
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The brainstem is the most caudal part of the brain. It adjoins, is structurally continuous with the spinal cord and consists of the:

The brainstem provides the main motor and sensory innervation to the face and neck via the cranial nerves. It also provides the connection of the cerebrum, basal ganglia, diencephalon, cerebellum and spinal cord. Additionally, there are other brainstem nuclei.

The brainstem also plays an important role in the regulation of cardiac and respiratory function. It also regulates the central nervous system and is pivotal in maintaining consciousness and regulating the sleep cycle.

Some taxonomies describe the brainstem as only containing the medulla oblongata and pons, whereas others include the midbrain.

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