Human Anatomy, Books a la Carte Plus MasteringA&P with eText -- Access Card Package (8th Edition)
Human Anatomy, Books a la Carte Plus MasteringA&P with eText -- Access Card Package (8th Edition)
8th Edition
ISBN: 9780321909954
Author: Frederic H. Martini
Publisher: PEARSON
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Textbook Question
Chapter 28, Problem 1RFT

Match each numbered item with the most closely related lettered item.

corona radiata.............

Expert Solution & Answer
Check Mark
Summary Introduction

To review:

Match the term corona radiata with the most closely related description given below:

Begins with the onset of the true labor

Begins as the dilation of the cervix is complete

Birth

Described by quick fetal growth

Incision via the peroneal musculature

A sheet of follicular cells around the oocyte

An enzyme in the acrosome

The cytoplasm of the oocyte

Time of embryonic/early fetal development

Described by the continued development of the organ systems

Introduction:

In embryology, corona radiata refers to the internal layer of cells of the cumulus oophorous. It is directly linked to the zona pellucida, which is the outer protective glycoprotein sheet of the ovum. The main purpose of the corona radiata is to provide vital proteins to the cell.

Explanation of Solution

Corona radiata refers to the formation of cells by adhering to the oocyte before it exits the ovarian follicle and starts from the squamous granulosa cells present in the primordial phase of follicular development. It is formed when the enlargement of granulosa cells occurs and they become cuboidal that takes place during the transition from the primordial to the primary stage.

Conclusion

Therefore, it can be concluded that corona radiata can be correctly matched with option (f) layer of follicular cells around the oocyte.

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