Some men hit each other's head on the side instead of cheek kissing, possibly as an attempt to masculinize the action.

The male hormones then masculinize the female twin, and the result is a freemartin.

To masculinize him, he recalls, his father insisted he watch "Dragnet."

Danazol is contraindicated during pregnancy because it could masculinize a female fetus.

You need testosterone to turn a fetus with a Y chromosome into a real boy, to masculinize his brain and body.

Since puberty, however, that one testicle had begun producing enough male hormones to masculinize him.

"As far as I know, If the machine could masculinize her, it could change us back too."

"I'm trying to masculinize talking," Murray said.

"They didn't want to masculinize women," Ms. Ott said.

Female-to-male treatments Treatment for this group includes androgens (male hormones) that masculinize the appearance.

Estradiol and testosterone, which is catalyzed by the enzyme 5α-reductase into dihydrotestosterone, act upon androgen receptors in the brain to masculinize it.

The prostate, like the external male genitalia, cannot masculinize in the absence of androgen receptor function, and thus remains in the female form.

Early androgen treatment has been shown to masculinize and defeminize such vocalizations by shifting their features towards male-typical patterns and away from female-typical patterns.

They may masculinize women by increasing the growth of hair and genitals, and they may cause infertility or impotence in men by shutting down testosterone production.

The rodent AFP system can be overridden with massive injections of estrogen, which swamp the AFP system and will masculinize the fetus.

These studies suggest that the dosage versus determining factor argument is a false dichotomy in birds: doses of Z chromosome appear to masculinize while presence of the W appears to feminize.

In normal sexual development, females are exposed to minimal amounts of testosterone, thus feminizing their sexual development, while males are typically exposed to high levels of testosterone, which masculinize their development.

On Macy's title page he inscribed these words from Nietzsche: "Of man there is little here; therefore do their women masculinize themselves, for only he who is man enough will save the woman in woman."

Maternal use of androgens or high doses of certain weakly androgenic synthetic progestogens (progestins) structurally related to testosterone can masculinize (virilize) the external genitalia of a female fetus during susceptible times in pregnancy.

Of man there is little here: therefore do their women masculinise themselves.

By destroying these particular instincts, that is to say by attempting to masculinise woman, and to feminise men, we jeopardise the future of our people.

Surgical procedures for trans men masculinise the chest and genitals and remove the womb and ovaries and fallopian tubes.