Also found in: Acronyms.
hypothalamic-pituitary axisEndocrinology Any feedback system that coordinates the activity of major peptide hormones; the hypothalamus synthesizes releasing hormones, which act on the pituitary, which evokes end-organ responses
• HP adrenocortical-ACTH-adrenal gland axis
• HP-FSH/LH-gonadal axis
• HP-TSH-thyroid gland axis
• HP-growth hormone-somatotroph axis
• HP-hypothalamic-lactotroph-breast axis