A) A-Hypothalamic neuron, B-Hypothalamus, C-Portal circulation, D-Posterior pituitary
B) A-Hypothalamus, B-Hypothalamic neuron, C-Portal circulation, D-Posterior pituitary
C) A-Hypothalamus, B-Hypothalamic neuron, C-Posterior pituitary, D-Portal circulation
D) A-Hypothalamus, B-Hypothalamic neuron, C-Posterior pituitary, D-Neurohypophysis