释义 |
spireme
spi·reme S0646500 (spī′rēm′) also spi·rem (-rĕm′)n. The tangle of filaments that appears at the beginning of the prophase portion of meiosis or mitosis. [German Spirem, from Greek speirēma, coil, from speirāsthai, to be coiled around, from speira, coil.]spireme (ˈspaɪriːm) n (Biology) cytology the tangled mass of chromatin threads into which the nucleus of a cell is resolved at the start of mitosis[C19: from Greek speirēma a coil, from speira a coil, spire2]spi•reme (ˈspaɪ rim) n. the threadlike chromatin of a cell nucleus, present during early meiosis or mitosis. [1885–90; < German Spirem (1882) < Greek speírēma coil] spireme
spireme [spi´rēm] the threadlike continuous or segmented figure formed by the chromosome material during prophase.spi·rem , spireme (spī'rem, spī'rēm), Term formerly applied to the first stage of mitosis or meiosis (prophase) during which extended chromosome filaments have the appearance of a loose ball of yarn, on the incorrect supposition that the filaments were continuous and later broke apart to form individual chromosomes. [G. speirēma, a coil 1] spireme (spī′rēm′) also spirem (-rĕm′)n. The tangle of filaments that appears at the beginning of the prophase portion of meiosis or mitosis. |