Figure 1.

Hormones of the anterior pituitary lobe, their regulation by hypothalamic peptides, and the hormones of the peripheral endocrine glands that are under their control

GHRH, growth-hormone-releasing hormone;

CRH, corticotropin-releasing hormone;

TRH, thyrotropin-releasing hormone;

GnRH, gonadotropin-releasing hormone;

GH, growth hormone;

IGF-1, insulin-like growth factor 1;

PR, prolactin;

ACTH, adrenocorticotropic hormone;

TSH, thyroid-stimulating hormone;

T4, thyroxine;

LH, luteinizing hormone;

FSH, follicle-stimulating hormone