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The process of sexual differentiation includes the development of secondary sexual characteristics, such as patterns of pubic and facial hair and female breasts that emerge at puberty. Because of the strong sexual selection affecting the structure and function of genitalia, they form an organ system that evolves rapidly.
In females, breasts are a manifestation of higher levels of estrogen; estrogen also widens the pelvis and increases the amount of body fat in hips, thighs, buttocks, and breasts. [1] [2] Estrogen also induces growth of the uterus, proliferation of the endometrium, and menstruation. [1] Female secondary sex characteristics include:
The prostatic utricle (Latin for "small pouch of the prostate") is a small indentation in the prostatic urethra, at the apex of the urethral crest, on the seminal colliculus (verumontanum), laterally flanked by openings of the ejaculatory ducts.
Not everyone can pull off a beard, but these guys make it look effortlessly cool. The post The Power Of A Beard: 122 Men Who Completely Transformed Their Look (New Pics) first appeared on Bored Panda.
What are the health complications of uterus didelphys? According to Oller, “With uterine didelphys there is a higher risk of miscarriage, preterm labor, breech presentation, the need for a ...
Growth of body hair, including underarm, abdominal, chest hair and pubic hair. [17] [18] Growth of facial hair. [18] Enlargement of larynx (Adam's apple) and deepening of voice. [18] [19] Increased stature; adult males are taller than adult females, on average. [18] Heavier skull and bone structure. [18] Increased muscle mass and strength. [18]
Hugh Jackman is showing off his Wolverine physique.. The actor, 56, enjoyed a day in the sun on Bondi Beach in his native Australia on Monday, Dec. 16. Jackman took a dip in the ocean wearing a ...
The human body is the entire structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organs and then organ systems. The external human body consists of a head, hair, neck, torso (which includes the thorax and abdomen), genitals, arms, hands, legs, and feet.