How to sign: the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
Similiar / Same: hormone, internal secretion
Categories: secretion
Within this category: adrenocorticotropic hormone, adrenosterone, catecholamine, epinephrine, gastrin, ghrelin, glucagon, glucocorticoid, gonadotropin, insulin, melanocyte-stimulating hormone, melatonin, neurohormone, oxytocin, parathyroid hormone, relaxin, releasing hormone, secretin, somatotropin, steroid hormone, thymosin, thyroid hormone, thyrotropin, thyrotropin-releasing hormone, vasopressin
How to sign: any of the glands of the endocrine system that secrete hormones directly into the bloodstream
Similiar / Same: endocrine gland, ductless gland
Categories: gland, secreter, secretor, secretory organ
Within this category: adrenal cortex, adrenal gland, adrenal medulla, anterior pituitary, corpus luteum, gonad, islands of Langerhans, parathyroid gland, pars distilis, pars intermedia, pineal gland, pituitary, posterior pituitary, prostate gland, thymus gland, thyroid gland