Reproductive System Powerpoint

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Reproductive System :

Reproductive System June Eur M. Tolentino BSEd 1-T

Topic Outline:

Topic Outline

A. Male Reproductive System :

A. Male Reproductive System a. External Genital Organ Penis Scrotum b. Internal Genital Organs Epididymis Vas Deference Testes Accessory Glans Prostate Gland Seminal Vesicles Bulbourethral Glans

B. Female Reproductive System :

B. Female Reproductive System a. Internal Genital Organs Vagina Cervix Uterus Oviducts Ovaries Reproductive Tract b. External Genital Organs Mons Pubis Labia Majora Labia Minora Bartholin’s Glands Clitoris

Key Words:

Key Words

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Genital System- also known as reproductive system. Is a system of organs within an organism which work together for the purpose of production.

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Penis Is the anatomically male compulsory organ.

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Glans Penis Is the sensitive bulbous structure at the distal end of the penis.

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Scrotum Is a pouch like structure that hangs behind the penis. It holds and protect the testes.

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Epididymis Is a whitish mass of tightly coiled tubes cupped against the testicles. It acts as a maturation and storage place of sperm before they pass into the vas deferens, tubes that carry sperm to the ampullary gland and prostatic ducts.

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Vas deferens Also known as the sperm duct is a thin tube approximately 17 inches long that starts from the epididymus to the pelvic cavity .

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Testes A lso known as the testicles are the anatomically male gonads, the organ that produce sperm cells. Testes are egg-shaped structures that grow to be about 1 inch ling and rest inside the scrotum.

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Accessory Glans Three accessory glands provide fluids that lubricate the duct system and nourish the sperm cells. They are the seminal vesicles, the prostate gland, the bulbourethral glands.

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Seminal Vesicles Are sac like structures attached to the vas deferens at one side of the bladder. They produce a sticky, yellowish fluid that contains fructose. This fluids provides sperm cells energy and aid in them motility.

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Prostate Gland Surrounds the ejaculatory ducts at the base of the urethra, just below the bladder. It is responsible for the production of semen.

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Bulbourethral Glands A lso called cowper glands, are two small glands 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.

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Semen - a liquid mixture of sperm cells, prostate fluid and seminal fluid. Ejaculation - is the ejecting of semen (usually carrying sperm) from the male reproductive tract.

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Vagina Is a fibro muscular tubular tract leading from the uterus to the exterior of the body in female mammals.

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Uterus U terus or womb is the major female reproductive organ of humans. It contains three suspensory ligaments that help stabilize the position of the uterus and limits its range movement.

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Endometrium I s the lining of the uterus.

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Cervix I s the lower, narrow portion of the uterus where it joins with the top end of the vagina. It is also called the neck of the uterus.

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a. Uterosacral ligaments keep the body from moving inferiorly and interiorly. b. Round ligaments restrict posterior movement of the uterus. c. Cardinal ligament also prevent the inferior movement of the uterus.

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Ovaries A re small, paired organs that are located near the lateral walls of the pelvic cavity. These organs are responsible for the production of the ova or eggs and the secretion of hormones.

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Oviducts O viducts or fallopian tubes are two tubes leading from the ovary of female mammals into the uterus.

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Vulva I s the external genital organs of the female mammal.

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Mons pubis I s the adipose tissue lying above the pubic bone of adult females, anterior to the pubic symphysis . The mons pubis forms the anterior portion of the vulva.

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Labia Majora A re two prominent longitudinal cutaneous folds which extend downward and backward from the mons pubis to the perineum and form the lateral boundaries of the pudendal cleft.

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Labia Minora A re two longitudinal cutaneous folds on the human vulva. They are situated between the labia majora , and extend from the clitoris obliquely downward, laterally, and backward on either side of the vulval vestibule, ending between bottom of the vulval vestibule and the labia majora .

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Bartholin’s Glans A re two glands located slightly below and to the left and right of the opening of the vagina.

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Clitoris T he visible button-like portion is located near the anterior junction of the labia minora , above the opening of the urethra and vagina.

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Pubic Hair- protects the vagina from infection and is a sign of puberty. Ovulation - the process by which ovum is released.

Content/ Discussion:

Content/ Discussion

Human Reproductive System :

Human Reproductive System Human reproduction takes place as internal fertilization by sexual intercourse. During this process, the erect penis of the male is inserted into the female's vagina until the male ejaculates semen, which contains sperm, into the female's vagina. The sperm then travels through the vagina and cervix into the uterus or fallopian tubes for fertilization of the ovum. Upon successful fertilization and implantation, gestation of the fetus then occurs within the female's uterus for approximately nine months, this process is known as pregnancy in humans. Gestation ends with birth, the process of birth is known as labor. Labor consists of the muscles of the uterus contracting, the cervix dilating, and the baby passing out the vagina.

Male Reproductive System:

Male Reproductive System The human male reproductive system is a series of organs located outside of the body and around the pelvic region of a male that contribute towards the reproductive process. The primary direct function of the male reproductive system is to provide the male gamete or spermatozoa for fertilization of the ovum.

Female Reproductive System:

Female Reproductive System The human female reproductive system is a series of organs primarily located inside of the body and around the pelvic region of a female that contribute towards the reproductive process. The human female reproductive system contains three main parts: the vagina, which acts as the receptacle for the male's sperm, the uterus, which holds the developing fetus, and the ovaries, which produce the female's ova. The vagina meets the outside at the vulva, which also includes the labia, clitoris and urethra; during intercourse this area is lubricated by mucus secreted by the Bartholin's glands.

Female Reproductive System :

Female Reproductive System The vagina is attached to the uterus through the cervix, while the uterus is attached to the ovaries via the fallopian tubes. At certain intervals, typically approximately every 28 days, the ovaries release an ovum, which passes through the fallopian tube into the uterus. The lining of the uterus, called the endometrium , and unfertilized ova are shed each cycle through a process known as menstruation. When the reproduction takes place, the sperms of man fertilizes the egg and a new embroyo is formed.

Summary:

Summary

Slide 38:

Reproductive systems are sets of organs that humans need to make baby or to reproduce. They are also the body parts that make men and women physically different from one another. A man’s reproductive system includes penis, testicles, vas deferens, prostate, etc. A woman’s reproductive system includes vagina, vulva, cervix, uterus, fallopian tubes and ovaries. Most of man’s reproductive system is visible on the outside of the body. And most of woman’s reproductive system is located inside the body.

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June Eur Tolentino Bsed 1-t Mr. Aldrin Dellosa

Source::

Source: http://en.wikipedia.org/wiki/Reproductive_system http://en.wikipedia.org/wiki/Male_reproductive_system_(human) http://en.wikipedia.org/wiki/Female_reproductive_system