Apoptosis in mouse fetal and neonatal oocytes during meiotic prophase
The regulation of maturation promoting factor during prophase
I arrest and meiotic entry in mammal ian oocytes.
A: normal interphase, A1: binuclei at interphase, A2: micronucleus at interphase, B: normal prophase
, B1: binuclei at prophase
, B2: micronucleus at prophase
, C: normal metaphase, C1: sticky metaphase, C2: C-mitosis, D: normal anaphase, D1: anaphase bridge, and D2: multipolar.
(2014) found 38 chromosomes in mitotic metaphases and 19 bivalents during prophase
I of meiosis.
By analyzing of the distribution of the pattern of constitutive heterochromatin in spermatocytes in prophase
I has been possible to differentiate all species of Maculata subcomplex: T.
PRO = prophase
; MET = metaphase; ANA = anaphase; TEL = telophase.
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The wrinkling revolution process is divided into five stages: (I) prophase
stage, (II) prometaphase stage, (III) metaphase stage, (IV) anaphase stage, and (V) telophase stage.
In control cultures, the percentages listed in Table S3 (http:// dx.doi.org/10.14573/altex.1601253s3) of the four stages of the meiotic prophase
(leptotene, zygotene, pachytene and diplotene) are of the same order of magnitude as those obtained previously (Ali et al., 2014; Geoffroy-Siraudin et al., 2010, 2012).
Microspore tetrads were formed via prophase
II, metaphase II, anaphase II, and telophase II (Fig.
"Folate over-supplementation and deficiency causes prophase
DNA damage." (25) So obviously humans need folate, but over-supplementation with folic acid can be a problem.