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Concept explainers
Match each numbered item with the most closely related lettered item.
corona radiata.............
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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.
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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Chapter 28 Solutions
Human Anatomy (9th Edition)
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