与 «OOGONIA»相关的英语书籍
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1
Fish Histology: Female Reproductive Systems
Their germinal ridge is well-defined and contains OOGONIA, EARLY PROPHASE
I OOCYTES, and SOMATIC PREFOLLICULAR CELLS as well as occasional
degenerating cells (Figure 2.4). Oogonia of the germinal ridge divide by mitosis.
2
Comparative Vertebrate Reproduction
(o) Primary oogonium Mitosis - (•)=(#) Secondary oogoma Mitosis - jJ)=(V^V)=(#)
Secondary oogonia Mitosis Secondary oogonia PremeioticS phase *>^""
VHellogenesis ( • J Primary oocyte Completion of meiosis I ▻- .--*' f ( q |
Secondary ...
H. Butler M. B. Juma Oogenesis in an Adult Prosimian In most Eutherian
mammals oogenesis, that is, mitotic proliferation of oogonia followed by the
formation of oocytes in the arrested diplotene stage of meiosis, occurs only
during embryonic ...
4
Cellular And Molecular Biology For Human
most conspicuous features of oogonia are irregular bridges interconnecting a
clonial association of oogonia suggesting communication between them. These
sort of germ-cell syncytia are believed to derive from the incomplete divisions of
the ...
5
Cell Lineage and Embryo Patterning
resume mitoses and will be called primary oogonia and the gonad will become
the ovary. Primary oogonia can probably multiply for some time by asynchronous
divisions before entering the phase of synchronous and incomplete mitoses, ...
The oogonia of Stage I start reappearing. The degenerating postovulatory
follicles, under the process of atresia are still visible. 3. DISCUSSION Among
teleost fishes the origin of new crop of oocytes presents a controversial picture
and the ...
Naresh Kumar Agarwal, 2008
7
Clinical Reproductive Medicine and Surgery: A Practical Guide
PGCs undergo rapid mitotic division during this migration. The genital ridge,
formed at around 3.5—4.5 weeks gestation, is composed of mesenchymal cells
overlaid with coelomic epithelial cells. Upon arrival, the PGCs give rise to
oogonia or ...
Tommaso Falcone, William W. Hurd, 2013
8
Yen and Jaffe's Reproductive Endocrinology
As a result, streak gonads containing only stromal cells are present by the time of
birth in classical cases, although some germ cells remain in individuals who are
mosaics.41 Germ cells that arrive at the genital ridge are referred to as oogonia.
Jerome F. Strauss, III, Robert L. Barbieri, 2013
9
Pictorial Atlas of Soil and Seed Fungi: Morphologies of ...
Oogonia 16.2–22.5 μm in diameter: oospore wall ca. 1.2 μm wide. Appressoria
ca. 30 μm long, 7.5–12.5 μm wide. 6-10 p. deliense meur Sporangia lobate,
vesicles and zoospores formed. Oogoniumphores often bent toward monoclinous
...
10
The Green Algae of North America: With First and Second ...
Dioecious; oogonia sessile. 5. V. ditlwloma. 4. Monoecious; oogonia somewhat
stipitate. 2. V. T/mrelii'. 5. Oogonia facing in opposite directions. 4. V. avcrsa. 5.
Oogonia single. or several facing one way. 6. 6. Oogonium usually single.
Frank Shipley Collins, 1909
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Permian water molds found in Antarctica
Oogonium morphotype with sparse coverage of spines; some oogonia contain indeterminate contents. A. NRM S087932-01-02; B. NRM ... «Examiner.com, 八月 13»
Oocytes: Maybe That Biological Clock No Longer Ticks
... proliferation of female germ cells (oogonia; pink) ceases at e13.5 concomitant with a 5-day period of germ cell meiotic commitment that drives ... «Science 2.0, 七月 12»
In Vitro Maturation Of Oocytes
On arrival at the genital ridge by the fifth week of gestation, the premeiotic germ cells are referred to as oogonia[3] During the subsequent 2 ... «hcp.obgyn.net, 十月 11»
Female Reproductive System: Egg Production
According to a Cliff Notes article, egg cell production begins before birth, when about two million primitive cells known as oogonia accumulate in the ovaries. «EmpowHer, 八月 11»
