nounBiochemistry , dated
The tangled strands of chromosomal material seen in the early stages of cell division, formerly believed to be a single continuous strand (or two in a diploid cell, etc.).
- Methanospirilla cells appear regular, curved and finally form spiremes.
- The spiremes of the two nuclei become coarser and intermingle before any distinct chromosomes are visible.
From German spirem, from Greek 'coil', 'convolution'.
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