Question

by which method the amount and time of secretion of hormones are controlled

Answer 1

Heyy mate here is your answer yarrr...

Some endocrine secre­tions are solely controlled by nerve im­pulses. Secretion of adrenal medullary hormones secretion of neuro-hypophysial hormones and various releasing hor­mones of hypothalamus are under this category.

For instance, in mammals, the act of suckling of baby stimulates tactile receptors in the nipple of mother and this impulse stimulates hypothalamic cells through sensory nerve and spinal cord. Latter, hypothalamic neuro-secretion stimulates neurohypophysis for secretion of oxytocin. Oxytocin helps in secretion of milk.

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