Definition of pons in US English:

pons

(also pons Varolii)

noun

Anatomy
  • The part of the brainstem that links the medulla oblongata and the thalamus.

    • ‘From above down these are the midbrain; a bridge-like structure, the pons; and the medulla oblongata, which merges below with the spinal cord.’
    • ‘This is a section (looking down) through the frontal and temporal lobes, the pons, and the cerebellum.’
    • ‘Many arterial branches arise from the vertebral and basilar artery to supply the medulla oblongata and the pons.’
    • ‘The latter includes the diencephalon; mesencephalon, or midbrain; pons; and medulla oblongata.’
    • ‘The parasympathetic nervous system innervates the parotid, submandibular, and sublingual glands with fibers that originate in the pons and medulla, and synapse in the otic and submandibular ganglia.’

Origin

Late 17th century: from Latin, literally ‘bridge’, (in full) ‘bridge of Varolius’, named after C. Varoli (1543–75), Italian anatomist.

Pronunciation

pons

/pänz/