News tagged with hormone

Related topics: breast cancer , women , plants , estrogen , protein

Should men cut back on their soy intake?

Recently, a friend called my husband to inquire about the risks for men in consuming too much soy milk. He had read an article that described how one individual's plight led him down the path of breast enlargement, and was ...

22 hours ago
popularity 8 comments 0

ENDO: HRT may not be as risky as once thought

(HealthDay)—Hormone replacement therapy for women may not be as potentially risky as previously thought, a new Mayo Clinic review contends. The findings were scheduled to be presented at the annual meeting ...

Mar 09, 2015
popularity 6 comments 0

Hormone

Hormones (from Greek ὁρμή - "impetus") are chemicals released by cells that affect cells in other parts of the body. Only a small amount of hormone is required to alter cell metabolism. It is essentially a chemical messenger that transports a signal from one cell to another. All multicellular organisms produce hormones; plant hormones are also called phytohormones. Hormones in animals are often transported in the blood. Cells respond to a hormone when they express a specific receptor for that hormone. The hormone binds to the receptor protein, resulting in the activation of a signal transduction mechanism that ultimately leads to cell type-specific responses.

Endocrine hormone molecules are secreted (released) directly into the bloodstream, while exocrine hormones (or ectohormones) are secreted directly into a duct, and from the duct they either flow into the bloodstream or they flow from cell to cell by diffusion in a process known as paracrine signalling.

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