BIO Reprduction (3) Flashcards
Mostly Human Reproduction (38 cards)
What are primary sex organs called?
Gonads
What are the Gonads (primary sex organs) in males and females?
- Testesin males
- Ovaries in females
_____ produce gametes (sex cells) and secrete hormone
Gonads
What are the games (sex cells) in males and females?
- sperm - male gametes (spermatogenesis)
- ova - female gametes (oogenesis)
- Male reproductive system
- seminiferous tubules (spermatogenesis)
- regulated by hormones (GnRH, FSH, LH)
Testes
Enumerate the male reproductive organs
Male Reproductive Organs (Accessory Organs)
Provides a temporary site for the immature sperm
Epididymis
Male Reproductive Organs (Accessory Organs)
Propel live sperm from their storage sites.
Ductus or Vans deferens
Male Reproductive Organs (Accessory Organs)
Carries both urine and sperm to the body exterior
Urethra
Male Reproductive Organs (Accessory Organs)
Produce about 60% of seminal fluid, the fluid volume of semen
Seminal vesicle
Male Reproductive Organs (Accessory Organs)
Secretes fluid that nourishes and protects sperm
Prostate gland
Male Reproductive Organs (Accessory Organs)
Produces thick and clear mucus that cleanses the urethra of traces of acidic urine and serves as a lubricant during sexual
Bulbourethral gland or Cowper’s gland
Male Reproductive Organs (Accessory Organs)
A milky white, somewhat sticky mixture of sperm and accessory gland secretions. The liquid portion is a transport medium for nutrients and chemicals that protect the sperm and aid their movement.
Semen
Male Reproductive Organs (External organ)
Protect the testes and to keep them at a temperature several degrees below the normal body temperature.
Scrotum
Male Reproductive Organs (External organ)
Designed to deliver sperm into the female reproductive tract
Penis
- production of sperm cells
- begins at _____ and continues throughout life
- Spermatogenesis
- puberty
Spermatogenesis occurs in the _____
seminiferous tubules
Enumerate the female reproductive organs
Female Reproductive System (Duct system)
The _____ are small, oval-shaped glands on either side of the uterus. It produces eggs and hormones.
Ovaries
Female Reproductive System (Duct system)
Provide a site for fertilization
Uterine (Fallopian) Tubes
Female Reproductive System (Duct system)
Hollow organ that functions to receive, retain, and nourish a fertilized egg
Uterus
Female Reproductive System (Duct system)
- Thin-walled tube 8cm to 10cm (3-4inches) long
- often called the birth canal since it provides a passageway for the delivery of an infant and for the menstrual flow to leave the body
- female organ of copulation
Vagina
Female Reproductive System (External genitalia)
- fatty area overlying the pubic symphysis
- covered with pubic hair after puberty
Mons pubis
Female Reproductive System (External genitalia)
skin folds
Labia
- Labia majora
- Labia minora