Dwarfism and Infantilism

Question 1

Cause

Answer 1

Deficiency of growth hormone during childhood

Question 2

Manifestations of dwarfism:

Answer 2

(1) Rate of growth is greatly decreased. )proportionate rate of growth)
(2) Metabolic rate is lowered.
(3) There is no mental retardation
Why? no effect of GH on development of nervous system
(4) no manifestations of thyroid deficiency or adrenocortical deficiency.
(5) In one third of patients, the deficiency is of growth hormone alone.
These Individuals mature sexually

Question 3

manifestations of infantilism:

Answer 3

Two thirds of cases have insufficient quantity of gonadotropic hormone
to develop adult sexual function, so they suffer from hypogonadism