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EXTERNAL ORGANS
PENIS
SCROTUM
TESTICLES
EPIDIMYS
INTERNAL ORGANS
VAS DEFENDERS
EJACULATORY DUCTS
URETHRA
SEMINAL VESICLES
PROSTATE GLAND
BULBOURETHRAL GLANDS
EXTERNAL ORGANS FUNCTIONS
The penis is the male organ for sexual intercourse
The scrotum is the loose pouch-like sac of skin that hangs behind the penis. It holds the testicles (also called testes), as well as many nerves and blood vessels.
The testes are oval organs about the size of very large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord.
The epididymis is a long, coiled tube that rests on the backside of each testicle. It carries and stores sperm cells that are created in the testes.
INTERNAL ORGANS FUNCTIONS
The vas deferens
is a long, muscular tube that travels from the epididymis into the pelvic cavity, to just behind the bladder. The vas deferens transports mature sperm to the urethra in preparation for ejaculation.
Ejaculatory ducts
are ducts formed by the fusion of the vas deferens and the seminal vesicles. The ejaculatory ducts empty into the urethra.
The urethra
is the tube that carries urine from the bladder to outside of your body. In males, it has the additional function of expelling (ejaculating) semen when you reach orgasm. When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm.
The seminal vesicles
are sac-like pouches that attach to the vas deferens near the base of the bladder. The seminal vesicles make a sugar-rich fluid (fructose) that provides sperm with a source of energy and helps with the sperms’ ability to move (motility). The fluid of the seminal vesicles makes up most of the volume of your ejaculatory fluid, or ejaculate.
The prostate gland
is a walnut-sized structure that’s located below the urinary bladder in front of the rectum. The prostate gland contributes additional fluid to the ejaculate. Prostate fluids also help to nourish the sperm. The urethra, which carries the ejaculate to be expelled during orgasm, runs through the center of the prostate gland.
The bulbourethral glands
, or Cowper’s glands, are pea-sized structures located on the sides of the urethra, just below the prostate gland. These glands produce a clear, slippery fluid that empties directly into the urethra. This fluid serves to lubricate the urethra and to neutralize any acidity that may be present due to residual drops of urine in the urethra.
EXTERNAL ORGANS
LABIA MAJORA
LABIA MINORA
BARTHOLINS GLAND
CLITORIS
INTERNAL ORGANS
FALLOPIAN TUBE
OVARIES
UTERUS
VAGINA
EXTERNAL ORGANS FUNCTIONS
The labia majora
(“large lips”) enclose and protect the other external reproductive organs. During puberty, hair growth occurs on the skin of the labia majora, which also contain sweat and oil-secreting glands.
The labia minora
(“small lips”) can have a variety of sizes and shapes. They lie just inside the labia majora, and surround the openings to the vagina (the canal that joins the lower part of the uterus to the outside of the body) and urethra (the tube that carries urine from the bladder to the outside of the body). This skin is very delicate and can become easily irritated and swollen.
These
glands
are located next to the vaginal opening on each side and produce a fluid (mucus) secretion.
The two labia minora meet at
the clitoris
, a small, sensitive protrusion that is comparable to the penis in males. The clitoris is covered by a fold of skin, called the prepuce, which is similar to the foreskin at the end of the penis. Like the penis, the clitoris is very sensitive to stimulation and can become erect.
INTERNAL ORGANS FUNCTIONS
The uterus
is a hollow, pear-shaped organ that is the home to a developing fetus. The uterus is divided into two parts: the cervix, which is the lower part that opens into the vagina, and the main body of the uterus, called the corpus. The corpus can easily expand to hold a developing baby. A canal through the cervix allows sperm to enter and menstrual blood to exit.
The ovaries
are small, oval-shaped glands that are located on either side of the uterus. The ovaries produce eggs and hormones.
The vagina
is a canal that joins the cervix (the lower part of uterus) to the outside of the body. It also is known as the birth canal.
The fallopian tubes
are arrow tubes that are attached to the upper part of the uterus and serve as pathways for the ova (egg cells) to travel from the ovaries to the uterus. Fertilization of an egg by a sperm normally occurs in the fallopian tubes. The fertilized egg then moves to the uterus, where it implants to the uterine lining.
