Fimbria

Fimbria are fringe-like structures located at the end of the fallopian tubes in the female reproductive system. They play a crucial role in the process of ovulation, by helping to guide the released ovum from the ovary into the fallopian tube.

Function

The primary function of the fimbria is to guide the ovum from the ovary to the fallopian tube. This is achieved through the movement of the fimbria, which sweep over the surface of the ovary in response to the hormonal changes that occur during the menstrual cycle. Once the ovum is released from the ovary, the fimbria help to direct it into the opening of the fallopian tube, where it can then be transported to the uterus for potential fertilization.

Structure

The fimbria are composed of ciliated epithelial cells, which are cells that have hair-like structures called cilia on their surface. These cilia are capable of movement and help to propel the ovum into the fallopian tube. The fimbria are also highly vascularized, meaning they have a high number of blood vessels, which helps to support their function.

Clinical significance

The fimbria can be affected by various medical conditions, such as pelvic inflammatory disease (PID), which can cause scarring and blockage of the fallopian tubes, potentially leading to infertility. In addition, some forms of ovarian cancer are thought to originate in the fimbria.

See also

• Fallopian tube
• Ovulation
• Reproductive system
• Pelvic inflammatory disease
• Ovarian cancer

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