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Fallopian tubes

Narrow tubes that extend from each side of the womb and open near an ovary, and carry eggs from the ovary to the womb, where fertilization occurs.

Female sterilization

A surgical procedure used to permanently prevent a woman from getting pregnant; also known as female tubal ligation or occlusion.


Solid, well-defined noncancerous breast lumps that can move easily under the skin.


The active ingredient in medications used to treat hair loss and benign prostatic hyperplasia (BPH), or an enlarged prostate.

Foreskin (prepuce)

A bilayer tissue that extends from the distal one-third of the penis shaft (the third-farthest from the body) over the penis head (or glans); sometimes removed at birth or later in life for religious or cultural reasons in a procedure called circumcision.

Frontotemporal dementia

A type of dementia that occurs when there is a breakdown of nerve cells and their connections in the frontal and temporal lobes of the brain, causing changes in behavior, personality, language, judgment, movement and thinking.