the most tense periods in the long-term adaptation are the first three years after the removal from the central regions of the country and prolonged living in the north ( over 10 years ) , when the average indices of basal secretion of the adrenocortical , thyroid and hypophyseal hormones markedly vary , the range of the blood hormone concentrations and the amplitude of individual variations increase , the functional relationship between several components of the endocrine system is strengthened .
C0040132
thyroid
C0014136
endocrine system