Final Exam Flashcards
endocrine glands
pituitary gland
gonadotropic hormones
primary sex characteristics
secondary sex characteristics
menarche
secular trend
follicular phase
luteal phase
menses
proliferative phase
secretory phase
LH
FSH
estrogen
progesterone
semenarche
12-13 year olds show a range of sexual maturation from stages ___ - ___
stages 1 - 5
girls who develop earlier…
- tend to skew with older peers
- don’t have any more problems with self-esteem or academics than other girls do
the earlier boys develop…
- the more positive their body image is
- the better they do in school
Tanner’s 1st stage of puberty - breast development
no change except for some elevation of the nipple
Tanner’s 2nd stage of puberty - breast development
breast bud stage:
- elevation of breast and the nipple as a small mound
- areolar diameter increases compared with stage 1
Tanner’s 3rd stage of puberty - breast development
- breast and areola both enlarge and elevate more than in stage 2
- but no separation of their contours
Tanner’s 4th stage of puberty - breast development
areola and nipple form a secondary mound projecting above the contour of the breast
Tanner’s 1st stage of puberty - male genital development
testes, scrotum, and penis are all about the same size and shape as in early childhood
Tanner’s 5th stage of puberty - breast development
mature stage:
- only the nipple projects
- areola recessed to the general contour of the breast
Tanner’s 2nd stage of puberty - male genital development
- scrotum and testes are slightly enlarged
- skin of the scrotum reddens and changes texture
- little or no enlargement of the penis
Tanner’s 3rd stage of puberty - male genital development
- penis slightly enlarged, at first mainly in length
- tests and scrotum are further enlarged
- first ejaculation
Tanner’s 4th stage of puberty - male genital development
- penis further enlarged
- growth in breadth and development of glans
- tests and scrotum further enlarged
- scrotum skin still
Tanner’s 5th stage of puberty - male genital development
genitalia achieve adult size and shape
brain - major growth spurt (13 - 15)
- cerebral cortex becomes thicker
- neuronal pathways become more efficient
brain - major growth spurt (17 - early adulthood
- frontal lobes of the cerebral cortex develop
- affects decision making
skeletal system changes
- hands and feet grow a little bit faster
- jaw moves forward
- forehead becomes more prominent
- muscle fibres become thicker and denser
- heart and lungs increased considerably in size
- heart rate drops
skeletal system changes - girls
- body fat increases
- muscle decreases
- attain most of adult height by age 16
skeletal system changes - boys
- grow until they are 18-20 years old