Regulating hormones from hypothalamus reach Adeno-hypophysis through
Neuron
Neuroendocrine cells
Portal blood vessel
Diffusion
Which one of the following flows directly into the blood from seat of its production to act on an organ away from it
High incidence of goitre is seen in the mountaineous region because of
Hormones thyroxin, adrenaline and the pigment melanin are formed from
The hormone oxytocin and vasopressin are secreted by
The high levels of testosterone in the blood would inhibit