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Human development (biology)
From Wikipedia, the free encyclopedia
(Redirected from Stages of human development)
- Life
- Prenatal (fertilisation - birth)
- Child (birth - age of majority)
- Infancy (birth - walking age)
- Toddlerhood (walking age - 3 years)
- Early childhood (3 - 7 years)
- Preadolescence (7 years - puberty, with the exception of precocious puberty)
- Adolescence (puberty - age of majority)
- Adult (age of majority - death)
- Young adult (age of majority - 40 years)
- Middle age (40 - 55 years)
- Advanced adult/Senior citizen/Old age (55 years - death)
- Death
- Decomposition (breakdown of the body after death)
Also sometimes used are terms that specify one's age in numbers, such as:
- Child (0-12)
- Teenager (13-19)
- Twentysomething (20-29)
- Thirtysomething (30-39)
- Fortysomething (40-49) (formerly also Quadragenarian, rarely used since 1980)
- Quinquagenarian (50-59)
- Sexagenarian (60-69)
- Septuagenarian (70-79)
- Octogenarian (80-89)
- Nonagenarian (90-99)
- Centenarian (100-109)
- Supercentenarian (110+)
- Ability to lift and control the orientation of the head
- Crawling begins
- Walking begins
- Speech begins
- Voice lowers in pitch (especially noticeable in boys)
- Pubic hair appears
- Genitals and reproductive organs mature
- Menses begin (females)
- Body hair and facial hair appears
Note: the Tanner stages can be used to approximately judge a child's age based on physical development.
- Child development
- Developmental biology
- Auxology
- Embryogenesis
- Mammalian embryogenesis
- Life-history theory
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Anatomy • Appearance • Art • Behavior • Biology • Civilization • Communication • Condition • Culture • Development • Evolution • Genetics • Health • Mind • Nature • Sexuality • Society • Technology |
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| Stages | Infancy • Childhood • Preadolescence • Adolescence • Adulthood - Early adulthood • Middle adulthood • Late adulthood |
| Development | Child development • Youth development • Ageing & Senescence |
| Theorists-theories | John Bowlby-attachment • Erik Erikson-psychosocial • Sigmund Freud-psychosexual • Lawrence Kohlberg-moral • Jean Piaget-cognitive • Lev Vygotsky-cultural-historical |