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Follicles in a human ovary, micrograph
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Follicles in a human ovary, micrograph
Developing follicles in a human ovary, light micrograph. Three developing Graafian follicles are seen. A Graafian follicle is a structure in the ovaries from which an ovum (egg cell) is released. It comprises an ovum (inner circle), surrounded by the zona granulosa (purple dots). The pale area in each follicle is the fluid- containing antrum. The zona granulosa secretes follicle stimulating hormone (FSH) and produce oestrogen. FSH stimulates the maturation of the follicle. When mature it releases the ovum, which travels from the ovary down the Fallopian tube to the uterus. Normally, only one ovum is released each month, although several follicles may develop
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6450117
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Cycle Fertile Fertility Follicle Follicles Graafian Follicle Histological Histology Ovarian Ovary Ovulation Ovum Re Production Reproductive System Trio Light Micrograph Light Microscope
EDITORS COMMENTS
This print showcases the intricate beauty of developing follicles in a human ovary. Under the lens of a light microscope, three Graafian follicles take center stage, each representing the potential for new life. The Graafian follicle is a vital structure within the ovaries responsible for releasing an egg cell or ovum. In this micrograph, we can observe the various components that make up these developing follicles. The inner circle represents the precious ovum itself, surrounded by a cluster of purple dots known as zona granulosa. This outer layer secretes follicle stimulating hormone (FSH) and produces estrogen, playing a crucial role in maturation. The pale areas within each follicle are filled with fluid-containing antrum, further highlighting their complexity and functionality. It is through this delicate process that one mature ovum will be released every month to embark on its journey down the Fallopian tube towards the uterus. This image serves as a reminder of nature's remarkable ability to create life and highlights the intricacies of our reproductive system. It offers us insight into female biology and fertility while showcasing both anatomical details and histological wonders. Captured by Science Photo Library's expert photographers, this print invites us to marvel at the miracles occurring within our bodies every day – reminding us of our incredible capacity for creation and renewal.
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