Vulva: External Anatomy for Female Sex
This image shows detailed female anatomy. Please do not click if you are not comfortable with your surroundings.
Description of Anatomy
Mons pubis: A rounded mound of fatty tissue that covers the pubic bone and becomes covered with hair during puberty.
Labia majora (thicker “outer lips”): Two thicker external skin folds (usually covered in hair) that surround and protect the other external genital organs.
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Labia minora (thinner "inner lips"): Two hairless folds of skin, which lie within the labia majora and surround the openings to the vagina and urethra; the labia come together in the middle to form the hood of the clitoris.
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Fun Fact
The blood vessels in the labia minora fill with blood during sexual stimulation and cause the labia to swell and become more sensitive.
​Urethral Opening - The opening where urine (pee) comes out. It connects to your bladder.
Vaginal Opening - The opening where blood comes out and a penis goes inside during sex. See the vagina (vaginal canal) described above.
Clitoris: Located under the fold of skin called the clitoral hood. It is very sensitive to touch: stimulating the clitoris can result in an orgasm.
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Bartholin’s glands: Located on both sides of the opening of the vagina, these glands release mucus during sexual arousal. The mucus acts as lube for sex.
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Hymen: A thin, stretchy piece of tissue that surrounds the opening of the vagina (kinda like a scrunchie!). The hymen naturally thins and tears over time with any movement, not just sex. It typically develops an opening that allows for penetration long before the first time one has sex. Stretching or tearing the hymen as a result of any activity (sex, physical exercise) can briefly hurt, but most people do not feel it happen.
Perineum
The area between the opening of the vagina and the anus, below the labia majora.
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Anus
The opening at the far end of the digestive tract through which solid waste (poop) leaves the body.
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Internal Anatomy for XX "Female" Sex
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fundus
uterine cavity
uterus ("womb")
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Uterus
A thick muscular organ that can expand to accommodate a growing fetus or baby. It is connected to the vagina and fallopian tubes.
The uterus has three parts:
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Fundus – top of the uterus
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Uterine Cavity – where the fertilized egg buries into to become a baby
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Cervix – lower part of uterus that links it to the vagina. It is structurally and functionally different from the rest of the uterus. See cervix for more information.
Anatomy for XY "Male" Sex
This image shows detailed male anatomy. Please do not click if you are not comfortable with your surroundings.
Bladder: The bladder stores urine (pee).
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Penis: The penis is an external organ of the male reproductive system and has 2 main functions:
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Sexual intercourse: with sexual stimulation, blood flows to the penis and it becomes erect (grows hard). Upon emission (ejaculation "cumming"), semen comes out of the penis. Then the penis becomes limp/flaccid again.
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Urination: the penis contains the urethra, which is a tube that carries urine from the bladder to the external urethral opening, which is the hole urine comes out of the head of the penis.
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Testicle: The testicles produce sperm and hormones. It is common for the left testicle to hang lower than the right testicle, and they can be different sizes. If you notice a big size difference between your testicles, then you should ask your doctor because this is less common and could be a sign of a health concern.
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Rectum: The rectum holds solid waste (poop).
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Prostate: The prostate is the largest gland in the XY "male" reproductive system. It produces a liquid that makes up a large part of semen volume. It is sensitive to sexual stimulation, so it can be a pleasurable spot for many.
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Anus: This is the hole where solid waste (poop) exits the body.
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Scrotum: The scrotum is the loose pouch-like sac of skin that hangs behind the penis and that holds the testicles. Along with the testicles, it also holds many nerves and blood vessels. It helps keep the temperature of the testicles normal.