[pak-i-teen] /ˈpæk ɪ tin/
noun, Cell Biology.
the third stage of prophase in meiosis, during which each chromosome pair separates into sister chromatids with some breakage and crossing over of genes.
the third stage of the prophase of meiosis during which the chromosomes become shorter and thicker and divide into chromatids
pachytene pach·y·tene (pāk’ĭ-tēn’)
The third stage of the prophase of meiosis during which the homologous chromosomes become short and thick and divide into four distinct chromatids.
pachynsis pa·chyn·sis (pā-kĭn’sĭs) n. A pathological thickening of a bodily organ, tissue, or structure. pa·chyn’tic adj.
pachyonychia pach·y·o·nych·i·a (pāk’ē-ō-nĭk’ē-ə) n. Abnormal thickness of the fingernails or toenails.
- Pachyonychia congenita
pachyonychia congenita pachyonychia con·gen·i·ta (kən-jěn’ĭ-tə) n. A hereditary syndrome marked by abnormal thickness and elevation of the nail plates, palmar and plantar hyperkeratosis, and a whitish and glazed tongue due to papillary atrophy. Also called Jadassohn-Lewandowsky syndrome.
pachyperiostitis pach·y·per·i·os·ti·tis (pāk’ĭ-pěr’ē-ŏ-stō’sĭs) n. Proliferative thickening of the periosteum caused by inflammation.