Adulthood
Acquiring physiological mechanisms
Puberty required for reproductive competence
Transition between childhood and
adulthood
when 8 13years19 14 years 20 sexual characteristics
what happens Maturation of HPC axis Torowth
Affectedby Genetics so 80 variation capacityfor fertilisation
frican american 6Environmental nutritional exercise
girlsoftenstart psychological stress relationship to ones mother
eriod easier
than caucasion
Hormonal changes
1 Adrenarche production of androgens by the
activation and
adrenal cortex Hypothalamus
BOccurs BEFORE puberty Cages 3 8 crit
d
Apituitary
Different to HPG butproduces the same sex steroids but tr
Acm
in smaller amounts a cortex
adrenal
Responsible for Pubarche i.e Appearance of pubic hair phenomena Dehydro
and auxiliary hair a
epianaosierone
anaosienedione
L STestosterone
Z Gonad Arche activation of gonadsby pituitary a2
oestradiol
Hypothalamus
hormones Ltt and FSH
GnRH infrequencyd
amplitude
apituitary A neural activity to hypothalamus
L 6
FSH LH switches Onktl release from 2 hourly
you'd theca bursts rise fall of FSH and LH
aegis eyes to an increase in pulses
testosterone Andosienedione
Responsible for production of
Granulosa
Aromatase
cells
oestrogen and progesterone GnRH is no
oestradioiced
respondsbestto longerhighly sensitive to Testosterone 2 as
eonrtepase FSH
perhour respondsbest negativefeedback MR GnRH
9LH to oratepoises
everys hours sexual maturation and development
of reproductive maturity
o i z s 4 s 6
stage4 when
Physical changes during puberty menaronemost
oxen us
Females growth spurt
1 I l l l
9 10 11 12
1 13 14
Thelarche Pubarchenas
Growth of pubicand
axillary hair
noestrogensleading
to breastdevelopment µ
Menarche
usuallyanowiaions as
feedbackonoestrogen
established
13410 2 syrsauetneea.ae notyet
run oestrogen 2years of irregularmenses
andteen aviators
Acquiring physiological mechanisms
Puberty required for reproductive competence
Transition between childhood and
adulthood
when 8 13years19 14 years 20 sexual characteristics
what happens Maturation of HPC axis Torowth
Affectedby Genetics so 80 variation capacityfor fertilisation
frican american 6Environmental nutritional exercise
girlsoftenstart psychological stress relationship to ones mother
eriod easier
than caucasion
Hormonal changes
1 Adrenarche production of androgens by the
activation and
adrenal cortex Hypothalamus
BOccurs BEFORE puberty Cages 3 8 crit
d
Apituitary
Different to HPG butproduces the same sex steroids but tr
Acm
in smaller amounts a cortex
adrenal
Responsible for Pubarche i.e Appearance of pubic hair phenomena Dehydro
and auxiliary hair a
epianaosierone
anaosienedione
L STestosterone
Z Gonad Arche activation of gonadsby pituitary a2
oestradiol
Hypothalamus
hormones Ltt and FSH
GnRH infrequencyd
amplitude
apituitary A neural activity to hypothalamus
L 6
FSH LH switches Onktl release from 2 hourly
you'd theca bursts rise fall of FSH and LH
aegis eyes to an increase in pulses
testosterone Andosienedione
Responsible for production of
Granulosa
Aromatase
cells
oestrogen and progesterone GnRH is no
oestradioiced
respondsbestto longerhighly sensitive to Testosterone 2 as
eonrtepase FSH
perhour respondsbest negativefeedback MR GnRH
9LH to oratepoises
everys hours sexual maturation and development
of reproductive maturity
o i z s 4 s 6
stage4 when
Physical changes during puberty menaronemost
oxen us
Females growth spurt
1 I l l l
9 10 11 12
1 13 14
Thelarche Pubarchenas
Growth of pubicand
axillary hair
noestrogensleading
to breastdevelopment µ
Menarche
usuallyanowiaions as
feedbackonoestrogen
established
13410 2 syrsauetneea.ae notyet
run oestrogen 2years of irregularmenses
andteen aviators
