pons noun. [pɒnz] Pl. pontes ['pɒnti:z]. L17.
[Latin = bridge.]
1. Anatomy. A portion of tissue joining two parts of an organ; spec. a band of nerve fibres in the front part of the brainstem, connecting the medulla oblongata and the thalamus, and also the two hemispheres of the cerebellum. Also more fully pons cerebri ['sɛrɪbrʌɪ] [= of the cerebrum], pons Varolii [vǝ'rǝʊlɪʌɪ] [= of Varolius (C. Varoli (1543-75), Italian anatomist)]. L17.
2. pons asinorum [asɪ'nɔ:rǝm] [= bridge of asses], the fifth proposition of the first book of Euclid, so called from the difficulty which beginners find in 'getting over' it. M18.

[TahlilGaran] English Dictionary ▲