Exam 8: Reproductive System; Intro
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| Male Internal Reproductive Organs | Testes
Epididymis
Vas Deferens
Seminal Vesicle
Ejaculatory Duct
Prostate Gland
Bulbourethral Gland
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| Testes: Structure | Paired, bilateral ovoid shaped
suspended by the spermatic cord, contained within scrotum
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| Testes: Function | Produce sperm
Produce testosterone
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| Epididymis: Stucture | Tightly coiled tube that emerges from top of each testis, leads into vas deferens
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| Epididymis: Function | Stores sperm cells until they mature
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| Vas Deferens: Structure | Muscular tube passes along the medial side of the testis into abdominal cavity
makes up the spermatic cord
ends behind urinary bladder
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| Vas Deferens: Function | Transports sperm
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| Seminal Vesicle: Structure | Convoluted, sac-like structure, 5cm long attached to each vas deferens at base of the bladder
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| Seminal Vesicle: Function | secretes slightly alkaline fluid consisting of fructose and other nutrients for sperm cells. Produces 60% of the volume of semen.
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| Ejaculatory Duct: Structure | Short tube (1 inch) beginning at seminal vesicle and ending in the prostate gland
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| Ejaculatory Duct: Function | Transport sperm and seminal fluid to urethra
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| Prostate Gland: Structure | Firm structure the size of a chestnut composed of muscular glandular tissue
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| Prostate Gland: Function | Secretes thin, milky, alkaline fluid which contributes to the motility of sperm
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| Cowper's Glands: Structure | 2 pea-sized glands under the male urethra
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| Cowper's Glands: Function | Provide lubrication during sexual intercourse
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| What is the function of the Vas Deferens? | To transport sperm
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| What is the function of the Epididymis? | Stores sperm cells until they mature.
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| Scrotum: Structure | Sac like structure
2 separate chambers
each chamber encloses a testis
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| Scrotum: Function | Provides a cooler home for the testes
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| Penis: Structure | Shaft is composed of 3 columns of erectile tissue:
(2) Corpora Cavernosa
(1) Corpora Spongiosum
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| Penis: Function | Specialized to become erect for insertion into the vagina during sexual intercourse
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| Ovaries: Structure | Solid, ovoid shaped structures
subdivided into 2 sections
-medulla
-Cortex
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| Ovaries: Location | Lie bilateral to the uterus inferior to fallopian tubes
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| Ovaries: Function | At puberty, they release progesterone and produce the female sex hormone estrogen.
It releases a mature egg cell during the menstrual cycle.
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| Fallopian Tubes (Oviducts): Structure | Pair of ducts
Forms a funnel shaped region near the ovary called the infundibulum.
Infundibulum is surrounded by fringe of finger-like projections called fimbrae.
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| Fallopian Tubes (Oviducts): Function | Cilia along with peristaltic contractions of its wall move the egg cell on to the uterus.
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| Uterus: Structure | Muscular, hollow, shaped like an inverted pear.
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| Layers of the uterine wall | Endometrium
Myometrium
Perimetrium
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| Uterus: Function | Receives and sustains developing fetus.
Capable of enlarging up to 500 times.
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| Vagina: Structure | Thin walled muscular tube-like structure
Lined with mucous membranes
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| Vagina: Function | Receives the erect penis during intercourse
Conveys uterine secretions
Transports offspring during birth
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| What are the 2 sections the ovaries are subdivided into? | Medulla
Cortex
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| Labia Majora: Structure | Large fold of fatty tissue extending from the mons pubis to the perinial floor
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| Labia Majora: Function | Protects inner structures
Contains sensory nerve endings, sebaceous and sudoriferous glands
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| Labia Minora: Structure | Smaller folds, devoid of hair that emerge anteriorly to form the prepuce of the clitoris
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| Labia Minora: Function | Protect the openings of the vagina and urethra.
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| Clitoris: Structure | Composed of erectile tissue
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| Clitoris: Function | Sexual arousal
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| Vestibule: Structure | Space enclosing the structures beneath labia minora
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| Vestibule: Function | Contains the clitoris, urethra, hymen and vaginal opening
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| Accessory Glands | Paraurethral or Skene's Glands
Bartholin's Glands or Vestibular
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| Paraurethral or Skeen's Glands | Responsible for secretion of mucus and are similar to the male prostate gland
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| Bartholin's Glands or Vestibular | Lubricates the vagina for sexual intercourse
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| Perineum | A diamond shaped area from the symphysis pubis and extends to the anus.
Region that contains the reproductive structures.
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| What is the function of the clitoris? | Sexual Arousal
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| What is the function of the Labia Majora? | Enclose and protect other external organs.
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| Mammary Glands: Structure | located in the subcutaneous tissue of the anterior thorax.
Composed of about 15-20 lobes.
Nipple surrounded by the areola
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| Mammary Glands: Function | Specialized to secrete millk following pregnancy.
Under the influence of prolactin, milk is formed.
Oxytocin allows the milk to be released.
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| What is the function of the mammary glands? | To secrete milk following pregnancy
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| T pigment around the nipple is called? | The areola.
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| what is the difference between the peritoneum and the perineum? | One it tis, and one it Taint!
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