HUMAN ORGANS OF THE ENDOCRINE SYSTEM pineal hypothalmus Steroid hormones are synthesised pituitary Primarily in parathyroid thyroid Adrenal Cortex- Adrenocorticoids thymus Ovaries, testes- Sex steroids g stomachs adrena Steroid secretion is generally controlled by peptides secreted from the pancreas duodenum Hypothalmus and pituitary ovary uterus testeHUMAN ORGANS OF THE ENDOCRINE SYSTEM pineal hypothalmus pituitary parathyroid thyroid thymus stomach adrenal kidney pancreas ovary uterus testes duodenum Steroid hormones are synthesised primarily in Adrenal Cortex - Adrenocorticoids Ovaries , testes - Sex steroids Steroid secretion is generally controlled by peptides secreted from the: Hypothalmus and pituitary