Looking for the meaning of the word CHIASMATA in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of CHIASMATA with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Chiasma
Speech Type: Noun
mid 19th century: modern Latin, from Greek chiasma ‘crosspiece, cross-shaped mark’, from khiazein ‘mark with the letter chi’
kʌɪˈazmə
the X-shaped structure formed at the point below the brain where the two optic nerves cross over each other.
Short Definition:X-shaped structure where two optic nerves cross over each other
a point at which paired chromosomes remain in contact during the first metaphase of meiosis, and at which crossing over and exchange of genetic material occur between the strands.
Short Definition:point at which paired chromosomes remain in contact
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