Cardiology

Exploring the role of insulin in heart disease among men

Men have shorter life expectancy than women, in part due to the higher rates of heart disease among men. To address this disparity, heart disease is now being considered with the well-established evolutionary biology theory ...

Oncology & Cancer

Gene mutation combo linked to common cancer in women

Michigan State University researchers, in collaboration with the Van Andel Institute, have identified a combination of two gene mutations that is linked to endometrial cancer.

Obstetrics & gynaecology

Making better embryos

One out of every six Canadian couples experiences infertility. Some resort to in vitro fertilization. But the embryos obtained through this technique often have defects. In a study published today in the journal Current Biology, ...

Obstetrics & gynaecology

Reimagining autonomy in reproductive medicine

Do the reproductive choices of prospective parents truly align with their values and priorities? How do doctors, reproductive technologies, and the law influence those choices? And why should certain women receive medical ...

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Sex organ

A sex organ, or primary sexual characteristic, as narrowly defined, is any of the anatomical parts of the body which are involved in sexual reproduction and constitute the reproductive system in a complex organism; in mammals, these include:

The Latin term genitalia, sometimes anglicized as genitals and genital area, is used to describe the externally visible sex organs, known as primary genitalia or external genitalia: in males the penis, in females the clitoris and vulva.

The other, hidden sex organs are referred to as the secondary genitalia or internal genitalia. The most important of these are the gonads, a pair of sex organs, specifically the testes in the male or the ovaries in the female. Gonads are the true sex organs, generating reproductive gametes containing inheritable DNA. They also produce most of the primary hormones that affect sexual development, and regulate other sexual organs and sexually differentiated behaviors.

A more ambiguously defined term is erogenous zone, subjectively, any portion of the body that when stimulated produces erotic sensation, but always prominently including the genitalia.

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