meiocyte


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meiocyte

[mī′əsīt]
Etymology: Gk, meiosis, becoming smaller, kytos, cell
any cell undergoing meiosis.
References in periodicals archive ?
This is a rare route, less frequent and documented than microspore embryogenesis, where under the appropriate in vitro conditions, post-recombination meiocytes are induced to proliferate into calli.
This is why in vitro culture of meiocytes has been historically reported as "largely unsuccessful" (Shivanna & Johri, 1985).
Thus, when we block or disturb the normal process of sexual reproduction by isolating anthers, meiocytes, microspores or pollen grains, or by hybridizing two distant species having severe pre-zygotic or post-zygotic reproductive barriers, we may be forcing the plant to activate this ancient, silent up to now mechanism in order to ensure reproduction by any means.
The meiocytes either develop directly into binucleate 2n embryo sacs or they undergo cytokinesis to form a dyad of 2n megaspores.
Pistils classified as meiotic contained meiocytes with thick cell walls (Fig.
Classification of female meiocytes from tissue culture clones of four wheat X E.
Callose was not detected in meiocyte walls of 265 appropriately staged diplosporous Tripsacum pistils, all of which were probably diplosporous.
Stage of pistils determined by interference contrast microscopy and the presence of meiocyte callose detected by fluorescence microscopy, in four species with various modes of reproduction.
In meiocytes with one B chromosome, they (chromosomes) appear as univalent in diakinesis and metaphases I; when in number of two, they form bivalents.
5% of 3,550 meiocytes analysed, the B chromosomes show themselves detached from the chromatin especially during the pachytene (431 cells), in early ascension in the metaphase I (938 cells), or delayed in the anaphase I (1098 cells) (Figures 1A and B).
In Lilium meiocytes, it was demonstrated that DNA is synthesized in the plastids independently of surrounding meiosis and cytoplasm clearing (Dickinson, 1981; Bird et al.
From meiocytes to ripe pollen grain, only proplastids (Fig.