diplotene

diplotene

n. (Cell biol.) the fourth stage of the prophase of meiosis, when the paired chromosomes being to separate. This stage follows the pachytene.
[WordNet 1.5 +PJC]

Dip*neu"mo*na

(?), n. pl. [NL., fr. Gr. = lung.] (Zol.) A group of spiders having only two lunglike organs.
[Written also Dipneumones.]

[1913 Webster]

Dip"no*i

(?), n. pl. [NL., fr. Gr. with two breathing apertures; di- = di`s- twice + breath.] (Zol.) A group of ganoid fishes, including the living genera Ceratodus and Lepidosiren, which present the closest approximation to the Amphibia. The air bladder acts as a lung, and the nostrils open inside the mouth. See Ceratodus, and Illustration in Appendix.
[1913 Webster]

 

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Wed 12th December 2018