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Ovaries

Ovaries

The ovaries are roughly the size of almonds and measure approximately 2 to 3 centimeters in length. These paired structures are situated within the pelvic region and are anchored by the mesovarium—a peritoneal extension that also connects them to the wider structure of the broad ligament. The support system extends to the suspensory ligament, housing blood and lymphatic vessels. In addition, the ovarian ligament tethers the ovaries to the uterus.
On the ovarian surface, a layer of...

Ovarian Cycle

Ovarian Cycle

The menstrual cycle includes a critical component known as the ovarian cycle, which undergoes two main phases each month—the follicular phase and the luteal phase. The follicular phase is variable and averaging around 14 days. Ovulation, triggered by a surge in luteinizing hormone (LH), marks the transition between the two phases. The second phase, the luteal phase, is relatively consistent, lasting approximately 14 days, and is marked by the activity of the corpus luteum. While a cycle...

Oogenesis

Oogenesis

In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...

Hormonal Control of the Ovarian Cycle

Hormonal Control of the Ovarian Cycle

The ovarian cycle is meticulously regulated by the hypothalamic-pituitary-gonadal axis. This cycle orchestrates the release of a mature oocyte, essential for reproduction.
Before puberty, the hypothalamus releases GnRH in a low frequency, low amplitude pulsatile manner. This along with the immature hypothalamic-pituitary-gonadal axis activity, results in low estrogen levels and the absence of a fully functional ovarian cycle. At puberty, GnRH secretion increases in both frequency and...

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Ovarian Cancer: An Overview.

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|July 2, 2020

Summary

This summary is machine-generated.

Ovarian cancer is a leading cause of cancer deaths in women, often diagnosed late with limited treatment options. Understanding early signs, symptoms, and diagnostic imaging is crucial for effective patient care.

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Area of Science:

Oncology
Gynecologic Oncology
Medical Imaging

Background:

Ovarian cancer ranks as the fifth leading cause of cancer-related mortality in US women.
Globally, approximately 140,000 women succumb to ovarian cancer annually.
The disease often presents subtly, leading to late-stage diagnosis and restricted treatment efficacy.

Purpose of the Study:

To provide a concise overview of ovarian cancer.
To highlight the importance of understanding ovarian cancer signs and symptoms.
To discuss available diagnostic imaging tools and treatment options for ovarian cancer.

Main Methods:

Literature review of ovarian cancer epidemiology.
Summary of clinical presentation and diagnostic modalities.
Overview of current therapeutic strategies.

Main Results:

Ovarian cancer diagnosis is frequently delayed due to nonspecific symptoms.
Diagnostic imaging plays a vital role in identifying potential ovarian malignancies.
Limited treatment options are available once the disease has progressed.

Conclusions:

Early recognition of ovarian cancer signs and symptoms is critical.
Healthcare professionals require knowledge of diagnostic imaging for timely detection.
Optimizing patient outcomes necessitates a comprehensive understanding of ovarian cancer management.