Growth Factors and Reproduction

May 12, 2019 by in ENDOCRINOLOGY Comments Off on Growth Factors and Reproduction

Abstract The embryonic development and adult function of the mammalian reproductive tract is greatly influenced by multiple conserved growth factor signaling pathways. These include transforming growth factor-β (TGF-β), wingless-type MMTV…

read more

Steroid Hormone Action

May 12, 2019 by in ENDOCRINOLOGY Comments Off on Steroid Hormone Action

Abstract Steroid hormones are a group of hormones derived from cholesterol that act as chemical messengers in the body. The steroid hormones regulate many physiologic processes, including the development and…

read more

Neuroendocrinology of Reproduction

May 12, 2019 by in ENDOCRINOLOGY Comments Off on Neuroendocrinology of Reproduction

Abstract Pulsatile gonadotropin-releasing hormone (GnRH) release from the hypothalamus governs pituitary secretion of luteinizing hormone and follicle-stimulating hormone, which in turn regulate the production of gonadal sex steroids and gametes…

read more

Breast

May 12, 2019 by in ENDOCRINOLOGY Comments Off on Breast

Abstract The primary biological function of the breast is to produce milk that provides both nutrition and immunoprotection for a newborn. The key hormones involved in breast growth, differentiation and…

read more

Gonadotropin Hormones and Their Receptors

May 12, 2019 by in ENDOCRINOLOGY Comments Off on Gonadotropin Hormones and Their Receptors

Abstract The gonads (ovary, testis) produce gametes (oocytes and spermatozoa). The pituitary glycoprotein hormones luteinizing hormone (LH, lutropin) and follicle-stimulating hormone (FSH, follitropin) are gonadotropins because their targets are the…

read more

Prolactin and Its Role in Human Reproduction

May 12, 2019 by in ENDOCRINOLOGY Comments Off on Prolactin and Its Role in Human Reproduction

Abstract Prolactin is a single chain polypeptide secreted by anterior pituitary lactotroph cells. Prolactin secretion is primarily under inhibitory control by hypothalamic dopamine. Prolactin levels rise substantially during pregnancy and…

read more
Get Clinical Tree app for offline access