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Transcript of Reproductive System
- Seminiferous tubules - produces sperm cells
- Interstitial cells - produce and secrete male sex hormones
2. Epididymis - Promotes sperm cell maturation; stores sperm cells; conveys sperm cells to ductus deferens
3. Ductus deferens - conveys sperm cells to ejaculatory duct
4. Seminal vesicle - secretes an alkaline fluid containing nutrients and prostaglandins that help neutralize the acidic components of semen
5. Prostate gland - Secretes an alkaline fluid that helps neutralize semen’s acidity and enhances sperm cell motility
6. Scrotum - encloses, protects, and regulates temperature of testes
7. Penis - conveys urine and semen to outside of body; inserted into vagina during sexual intercourse; the glans penis is richly supplied with sensory nerve endings associated with feelings of pleasure during sexual stimulation The Reproductive System By: Katherine Chinn, Megha Tandel, & Sarah Opiel Interrelatedness of Systems The Reproductive System and the Endocrine System:
Hormones control the production of eggs in the female and sperm in the male. The luteinizing hormone from the anterior pituitary gland triggers ovulation. Follicle stimulating hormones stimulate the development of eggs in the ovaries and sperm in the testes. The ovaries produce the estrogen and the sperm produces testosterone, which are both hormones part of the Endocrine system. Homeostasis Female Reproductive System:
Menstruation, the shedding of the uterine lining, helps maintain a stable environment in order to prepare for pregnancy.
Male Reproductive System:
Testosterone levels are regulated by the hypothalamus through negative feedback Female Structure and Function Female Reproductive System Structure: The labia majora enclose and protect the other external reproductive organs. Labia minora lie inside the labia majora, and surround the openings to the vagina and urethra. Bartholin's glands are located beside the vaginal opening and produce a fluid secretion. The two labia minora meet at the clitoris, a small, sensitive protrusion that is covered by a fold of skin called the prepuce.
Female Reproductive System Function: To enable sperm to enter the body and to protect the internal genital organs from infectious organisms. Membrane Transport Female:
Menstruation and Ovulation
In the female reproductive system, every 28 days the pituitary gland releases the luteinizing hormone to stimulate the growth of the ova. An oocyte (egg cell) is formed through the process of oogenesis before ovulation begins, and is released and is passed through the fallopian tubes into the uterus. The lining of the uterus and unfertilized ova are shed by menstruation. Following ovulation, the egg cells will degenerate if not fertilized within hours. The male and female reproductive systems work together to create... Female Medical Condition The Female Reproductive System: Specific Organs: -Vestibular glands: Secrete fluid that moistens and lubricates vestibule -Vestibule: Space between labia minora that contains vaginal and urethral openings -Clitoris: Produces feelings of pleasure during sexual stimulation due to abundant sensory nerve endings in glans -Labia Minora: Form margins of vestibule; protect openings of vagina and urethra -Vagina: Conveys uterine secretions to outside of body; receives erect penis during sexual intercourse; provides open channel for offspring during birth process -Labia Majora: Encloses and protects other external reproductive organs -Uterus: Protects and sustains embryo during pregnancy -Uterine Tubes: Conveys secondary oocytes toward uterus; site of fertilization; conveys developing embryo to uterus -Ovary: Produces oocytes and female sex hormones Fallopian Tube Cancer: This is a rare gynaecological cancer. Fallopian cancer happens to most women that have gone through menopause. Early fallopian tube cancer often has no symptoms. The treatment usually involves surgery that is followed by chemotherapy and radiation therapy. Male Reproductive System Structure: The penis is the organ used during sexual intercourse. It is split into three parts; the root, the body (shaft), and the glans. The scrotum is the loose pouch-like sac of skin that hangs behind and below the penis. The testicles are oval organs about the size of large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord.
Male Reproductive System Function: The purpose of the organs of the male reproductive system is to produce, maintain, and transport sperm, to discharge sperm within the female reproductive tract during sexual intercourse, and to produce and secrete male sex hormones responsible for maintaining the male reproductive system. Male Structure and Function Male Medical Condition Babies! Prostate Gland Cancer: This type of cancer affects the prostate glands. The prostate is a small, walnut-sized structure that makes up part of man's reproductive system. It wraps around the urethra, a tube that carries urine out of the body. Prostate cancer is the most common cause of death from cancer in men over the age of 75, and is rarely ever found in men that are under the age of 40 years old. Men that have higher risks of getting this cancer are: men over 60, men who have a father or brother with prostate cancer, and also men who drink too much alcohol. Symptoms of prostate cancer are slow urinary stream, leaking or dribbling of urine, bone pain or tenderness, or blood in the urine or semen. Treatments for this type of cancer include radical prostatectomy, radiation therapy, hormone therapy, surgery, or chemotherapy.