|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|—n , pl pontes|
|1.||a bridge of connecting tissue|
|2.||short for pons Varolii|
n. pl. pon·tes (pŏn'tēz)
The part of the brainstem that is intermediate between the medulla oblongata and the mesencephalon and is composed of a ventral part and the tegmentum.
A bridgelike formation connecting two disjoined parts of a structure or organ.
|pons (pŏnz) Pronunciation Key
Plural pontes (pŏn'tēz)
A thick band of nerve fibers in the brainstem of humans and other mammals that links the brainstem to the cerebellum and upper portions of the brain. It is important in the reflex control of involuntary processes, including respiration and circulation. All neural information transmitted between the spinal cord and the brain passes through the pons.
portion of the brain lying above the medulla oblongata and below the cerebellum and the cavity of the fourth ventricle. The pons is a broad, horseshoe-shaped mass of transverse nerve fibres that connect the medulla with the cerebellum. It is also the point of origin or termination for four of the cranial nerves that transfer sensory information and motor impulses to and from the facial region and the brain. The pons also serves as a pathway for nerve fibres connecting the cerebral cortex with the cerebellum.
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