Complete the sentences describing the development of ovarian follicles. Then pla
ID: 3523268 • Letter: C
Question
Complete the sentences describing the development of ovarian follicles. Then place in sentences in the order that they occur.
Labels can be used more than once.
23
46
antrum
primary
primary follicles
primary oocytes
primordial
secondary
The fetal ovary contains ____________ follicles consisting of ____________ surrounded by flattened epithelial cells.
The cell that is ovulated is a ____________ oocyte, surrounded by its zona pellucida and corona radiata.
A mature follicle will contain a ____________ oocyte which has completed meiosis I and contains ____________ chromosomes, each with two chromatids.
As follicles develop each month, the follicular cell layers increase, and spaces form. These spaces join to form the ____________ . These are now ____________ follicles.
After puberty, during each monthly cycle, several follicles are stimulated to develop, forming ____________ . These structures contain primary oocytes.
Explanation / Answer
1. The fetal ovary contains Primordial follicles consisting of primary oocytes surrounded by flattened epithelium.
2. The cell that is ovulated is a secondary oocyte, surrounded by its zona pellucida and corona radiata.
3. A mature follicle will contain a secondary oocyte which has completed meiosis I and contains 23 chromosomes, each with two chromatids.
4. As follicles develop each month, the follicular cell layers increase, and spaces form. These spaces join to form the antrum. These are now secondary follicles.
5. After puberty, during each monthly cycle, several follicles are stimulated to develop, forming primary follicles. These structures contain primary oocytes.
Arrangement:
1->5->4->3->2
[ explanation: in the fetus, there are primordial follicles, In puberty, these primordial follicles stimulated to develop primary follicles, then the maturation takes place during the process vacuoles are joins to form a large vacuole called antrum, and then mature follicle are formed with secondary oocytes. Then ovulation takes place ]
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