UNDS 2

• Androgen


  Male sex hormones which produce secondary sex characteristics like growth of bodily hair, and change in voice
• Androgen


  Secreted by the testes at the time of puberty
• Estrogen


  Hormones secreted by ovaries which are concerned in female secondary sexual characteristics such as changes in physical appearance
• Progesterone


  Secreted by corpus luteum in ovaries, are concerned in menstrual cycle, and pregnancy
• Human Reproductive System


  • An organ system by which reproduce, and bear offspring
  • Requires the union of male (penis), and female (vagina) sexual organs through sexual intercourse to fertilize an egg cell, and become a zygote
• Fertilization


  Fusion of egg, and sperm to form the zygote
• Zygote


  It will soon develop into an embryo then into a fetus
• Masturbation


  Sexual stimulation of one's own genitals for sexual arousal, or other sexual pleasure, usually to the point of orgasm
• Ejaculation


  Discharge of seminal fluid
• Testis


  • Source of spermatozoa which makes it the most important part of male reproductive system

  
• Scrotum


  A sac of skin where the two testes are enveloped
• Prostate Glands


  • A gland that carries seminal fluid, and urine, connected by sperm ducts from sperm ducts joining into single tube called urethera
• Urethra


  Leads the seminal fluid, and urine to the outside of the body through penis
• Penis


  Where ejaculation occurs by sending sperm cell from testis, and secrete out
• Prepuce


  An erogenous tissue which is very sensitive, and induce arousal which function the same as the clitoris in female
• Sperm Cell


  A male gamete which is necessary for the egg to be fertilized, and become a zygote. (approx. 300M spermcells are secreted per ejaculation)
• Ovary


  • A pair of small, oval organs which produces ova (ovum; female gametes or germ cells; egg cell)

  
• Fallopian Tube


  • A pair of thin tubes that leads ova from ovaries to uterus where fertilization takes place
• Fimbria


  A finger-like projection at the end of the fallopian tube near the ovary that sweep the ova into the fallopian tube

  
• Uterus


  • Womb in layman's term, is a hallow pear-shaped elastic muscular structure where the zygote will develop into a fetus for months
• Endometrium


  Intermost lining in the uterus where the zygote will be implanted after fertilization, also concerned in menstruation
• Cervix


  Allows flow of menstrual blood from the uterus into the vagina, and direct the sperms into the uterus during intercourse
• Vagina


  A tube leading to outside of the body through an opening called vulva
• Labia Majora


  Relatively large, fleshy folds of tissue that enclose and protect the other external genital organs
• Labia Minora


  Can be very small or up to 2 inches wide, and lies just inside the labia majora, and surrounds the openings to the vagina and urethra

  
• Bartholin's Gland


  Secrete a thick fluid that supplies lubrication for intercourse
• Clitoris


  Very sensitive to sexual stimulation, and can become erect. Stimulating the clitoris can result in orgasm
• Erogeneous Zone


  • Parts of the body that are particularly sensitive to touch, pressure, and vibration which contributes to sexual arousal, and brings sexual satisfaction
• Phases of Sexual Response

  1. Arousal Phase

  2. Plateau Phase

  3. Orgasm Phase

  4. Resolution

  
• Sexual Orientations


  • Heterosexuality
  • Homosexuality
  • Bisexuality
  • Transexuality
• Heterosexuality


  A sexual attraction, and behavior directed to opposite sex
• Homosexuality


  A sexual attraction between members of same sex
• Bisexuality


  A sexual attraction to either same sex, or opposite sex
• Transgender


  • People whose gender identity differs from the sex they have at birth
  • Transition - a process of changing a birth-assigned sex to the opposite through sex reassignment therapy inc. hormone replacement therapy, and gender reassignment surgery
  • Transexual - a person 1ho undergone gender reassignment surgery
  • Transvestites - a person who dresses in style associated with the opposite sex
• Importance of Contraception


  • To control the inflation of population in Philippines
  • To lessen the threat of having sexually transmitted diseases s/a gonorrhea, and syphilis
  • To lessen the threats of acquired immunodeficiency syndrome (AIDS)
• Natural Contraception Methods


  • Abstinence
  • Calendar Method
  • Basal Body Temperature
  • Cervical Mucus Method
  • Symptothermal Method
  • Ovulation Detection
  • Lactation Amenorrhea Method
  • Coitus Interruptus
• Abstinence


  Most effective way of birth control. Done through abstaining from sexual intercourse. Most effective way to avoid STDs
• Calendar Method


  AKA Rhythm Method. Involves avoiding coitus during the days that the woman is fertile
• Basal Body Temperature


  BBT is when the woman's body temperature at rest. Done by monitoring the changes in the woman's temperature in the morning before any activity because a slight increase, or decrease can be a sign of ovulation. (36.4°C – 37°C)
• Cervical Mucus Method


  The basis is the changes in cervical mucus during ovulation. When the mucus is profuse, and watery, avoid having a coitus