Week 9 - Infancy and Childhood Flashcards
Hyperplasia
Proliferation of cells in the body
Hypertrophy
Increase in cell size
Maturation
The process of becoming mature or the process towards a mature biological state
Where does maturation occur within the body?
All organs and their systems and tissues
2 contexts for development….biological and ____________
Biological and behavioural
Biological development
The development of stem cells into functioning cells and systems
Four components of behavioral development
Motor/skill acquisition, socially acceptable behaviours, intellectual, emotional
Chronological age
How many years old you are
Biological age
Biological age is how old a person seems that takes into account lifestyle, diet, exercise, sleeping habits etc.
Prenatal
period of growth and development prior to birth (~9 months)
Germinal Period
fertilization to end of germ layer formation (weeks 1 – 2 of
development)
Embryonic Period
days 14-56 (weeks 3-8) after fertilization
Foetal Period
56 days to birth (last 30 weeks)
Postnatal
period after birth
Infancy
first year of birth (0-1 year)
Perinatal
the first week
Neonatal
the first month
Postnatal
the remainder of the first year
Childhood
1 year – adolescence
Early childhood
1-4 years
Middle childhood
5 years to adolescence
Adolescence
~10-18 years
Onset and termination of adolescence is highly variable in men and women, what years are they for both?
Males 10-22 years
Females 8-19 years
Age groups for young adult, middle age, older adult
20-40 years, 40-65 years, 65 years to death respectively.
