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chiasma::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | chiasm, decussation |
| Type of | structure, bodily structure, body structure, complex body part, anatomical structure |
| Has types | optic chiasm, chiasma opticum, optic chiasma |
Examples of chiasma
chiasma
He discovered the optic chiasma by anatomical studies of the brain.
From the en.wikipedia.org
- An intersection or crossing of two tracts in the form of the letter X
- A chiasma (plural: chiasmata), in genetics, is thought to be the point where two homologous non-sister chromatids exchange genetic material during chromosomal crossover during meiosis (sister chromatids also form chiasmata between each other, but because their genetic material is identical, it ...
- A crossing of two nerves, ligaments etc; The contact point between the two chromatids of a chromosome during meiosis
- The cytologically visible consequence of a reciprocal recombination event in meiosis, observable in the later stage of meiotic prophase. Chiasmata hold homologous chromosomes together prior to anaphase of the first meiotic division.
- The site where the exchange of chromosome segments between homologous chromosomes takes place (crossing-over) (pl.: chiasmata). PICTURE
- An anatomy term for an X-shaped crossing (for example, of nerves or tendons).
- (French : chiasma) Exchange sites between chromatids observed in prophase of meiosis 1 subsequent to crossing over.
- Greek kiasma = cross. (The Greek letter chi = c).
- The cross-like structure formed by crossing over during meiosis.
