Adolescence and Adulthood

  1. Adolescence is a transitional stage of physical and psychological human development that generally occurs during the period from puberty to legal adulthood (age of majority).
  2. A primary sex characteristic is any anatomical part of the body involved in sexual reproduction and constituting the reproductive system in a complex organism, especially the external sex organs.
  3. Symptoms of menopause

    A beard is a human male secondary sexual characteristic.

  4. A secondary sex characteristic is a feature that appears during puberty, a phenotypic trait that distinguishes the two sexes, but unlike the sex organs, is not directly part of the reproductive system.
  5. Menarche is the first menstrual cycle, or first menstrual bleeding, in female humans.
  6. Spermarche refers to the beginning of development of sperm in boys' testicles at puberty.
  7. Identity formation is the development of the distinct personality of an individual.
  8. Erik Erikson was a twentieth century developmental psychologist known for his theory on psychosocial development of human beings. He may be most famous for coining the phrase identity crisis.
  9. In psychology, the term identity crisis, as coined by Erik Erikson, means the failure to achieve ego identity during adolescence.
  10. Erikson's stages of psychosocial development is a psychoanalytic theory which identifies eight stages of development through which a healthily developing human should pass from infancy to late adulthood.
  11. Menopause is the time in most women's lives when menstrual periods stop permanently, and the woman is no longer able to have children.