Adolescence and puberty Flashcards
What is menarche
First occurence of menstruation
What is anarche
Start of production of adrenal androgens- precursor to puberty
What has happened to age of menarche and adrenarche
It is dropping significantly
What is age of start of adrenarche in girls
6-9 years
What is age of start of adrenarche in boys
7-10 years
What characterises adrenarche
Rise in production of DHEA and DHEAS
Clinical presentation of pubic and axillary hair
What does KISS gene code for
Kisseptin
What is kisseptin
Protein produced in hypothalamus that increases the production of GHRH and LH
How has the modern world influenced age menarche
Despite the age of menarche dropping the average weight of people at the onset of puberty has remained the same suggesting the drop in age is due to an improvement in nutrition
Difference in psycological attitude to improvement
Boys become taller and broader which is more asthetic and gives increased status
Girls increase in adipose tissue associated with ambivalent feelings towards this
Implications of body shape dissatisfaction
Negative feelings towards body shape encourages desire to weight
What is dysphoria
Unhappiness with life
Cardinal features of anorexia nervosa
Body weight maintained well below expected weight
Delayed growth
Amenorrhoea
Delayed puberty
Psycopathology of anorexia nervosa
Dread of fatness and being preoocupied with this
Affective symptoms of depression
Sadness
Loss of enjoyment
Irritability
