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Questions and Answers
What is the primary function of the ovaries in the female reproductive system?
Which part of the female external genitalia is defined as the area surrounding the urethral opening and vagina, which is highly sensitive?
What is defined as the first menstruation in females?
What is the collapsible canal extending from the vaginal opening to the cervix called?
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Which structure in the female reproductive system is primarily involved in the fertilization of egg cells?
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What is the role of progesterone during the menstrual cycle?
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Which structure is comprised of the outer lips that surround the other external genitalia structures?
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What signifies the sloughing off of the uterine lining if conception has not occurred?
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What is one consequence of the widening of hips and pelvis in females?
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What does the prepuce refer to in male external genitalia?
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What gland produces the majority of semen volume?
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What is the function of testosterone in males?
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Which structure is specifically responsible for carrying sperm from the testicles toward the urethra?
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How does the alkaline nature of prostate secretions benefit sperm?
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What is a primary difference between male and female body composition?
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What does the term 'frenulum' refer to in male genitalia?
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Study Notes
Female Genitalia
- External Genitalia: includes the vulva, mons veneris, labia majora, prepuce, clitoris, labia minora, vestibule, urethral opening, vaginal opening (introitus), and perineum.
- Internal Genitalia: includes the vagina, cervix, uterus, fallopian tubes, and ovaries.
Female Hormones
- Estrogen: influences female sex characteristics and initiates the menstrual cycle.
- Progesterone: aids in regulating the menstrual cycle and promotes uterine lining development for possible zygote implantation.
Menstruation and Puberty
- Menstruation: the shedding of the uterine lining if conception hasn't occured, lasting two to six days within a 24 to 42-day cycle.
- Menarche: the first menstrual period in a female.
- Female Secondary Sexual Characteristics: appear after puberty, including widening of hips and pelvis, breast enlargement, and shorter stature compared to males.
- Other Female Characteristics: higher body fat percentage, two X chromosomes reducing the expression of sex-linked conditions, lower mortality rate and greater lifespan compared to males.
Male Genitalia
- External Genitalia: includes the prepuce (foreskin), penis, corona, frenulum, scrotum, urethral opening, and perineum.
- Internal Genitalia: includes the testes, vas deferens, seminal vesicles, ejaculatory ducts, and prostate gland.
Male Hormone
- Testosterone: responsible for male development during adolescence, sperm production, and secondary sexual characteristics.
Semen Production
- Seminal Vesicles: produce fructose-rich alkaline fluid, composing 70% of semen volume.
- Prostate Gland: produces alkaline secretions, comprising 30% of semen volume, making the urethra and vagina more hospitable for sperm.
- Ejaculation: semen is expelled via the urethra during ejaculation.
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Description
Explore the intricacies of female anatomy, including the external and internal genitalia, as well as the roles of key hormones like estrogen and progesterone. This quiz also covers menstruation, puberty, and the secondary sexual characteristics that develop in females. Test your knowledge of these essential biological concepts!
