Tag: Fetal development

  • Pulmonary neuroendocrine cells

    Neuroendocrine cells are cells that receive neuronal input (through neurotransmitters released by nerve cells or neurosecretory cells) and, as a consequence of this input, release messenger molecules (hormones) into the blood. In this way they bring about an integration between the nervous system and the endocrine system, a process known as neuroendocrine integration. An example of a neuroendocrine cell is a cell…

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  • Human placental lactogen (hPL)

    Human placental lactogen (hPL), also called human chorionic somatomammotropin (HCS), is a polypeptideplacental hormone, the human form of placental lactogen (chorionic somatomammotropin). Its structure and function are similar to those of human growth hormone. It modifies the metabolic state of the mother during pregnancy to facilitate the energy supply of the fetus. hPL has anti-insulin properties. hPL is a hormone secreted by the syncytiotrophoblast during pregnancy. Like human growth hormone, hPL…

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  • Human chorionic gonadotropin (hCG)

    Human chorionic gonadotropin (hCG) is a hormone for the maternal recognition of pregnancy produced by trophoblast cells that are surrounding a growing embryo (syncytiotrophoblast initially), which eventually forms the placenta after implantation. Cole LA (2009). “New discoveries on the biology and detection of human chorionic gonadotropin”. Reprod. Biol. Endocrinol. 7: 8. doi:10.1186/1477-7827-7-8. PMC 2649930. PMID 19171054. Gregory JJ, Finlay JL (April 1999). “Alpha-fetoprotein and beta-human chorionic gonadotropin: their clinical significance as…

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