Digestive Hormones
Digestive Hormones - Related Videos
02:13
Types of Hormones
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2019
Hormones can be classified into three main types based on their chemical structures: steroids, peptides, and amines. Their actions are mediated by the specific receptors they bind to on target cells. Steroid hormones are derived from cholesterol and are lipophilic in nature. This allows them to readily traverse the lipid-rich cell membrane to bind to their intracellular receptors in the cytoplasm or nucleus. Once bound, the cytoplasmic hormone-receptor complex translocates to the nucleus.
01:33
Hormonal Regulation
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2019
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
01:56
Plant Hormones
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2020
Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands. Instead, plant hormones are often produced in regions of active growth, like the tips of roots and shoots. Additionally, even very low concentrations of plant hormones can have a profound effect on growth and development processes.
12:31
An Ex vivo Model to Study Hormone Action in the Human Breast
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Cited by 8 •
2015
We have developed a novel ex vivo model to study hormone action in the human breast. It is based on tissue microstructures isolated from surgical breast tissue specimens which preserve tissue architecture, intercellular interactions, and paracrine signaling.
11:01
Monitoring Plant Hormones During Stress Responses
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Cited by 11 •
2009
A simple method is provided that allows for the rapid extraction and analysis of multiple plant hormones from small tissue samples. The procedure uses vapor phase extraction as the solemn purification step. Samples are analyzed by GC/MS with chemical ionization that produces mainly (M+1)+ ions.
FAQs
Their effects extend beyond the tissue where they are released. Signals from the gastrointestinal tract can regulate gastric acid secretion, pancreatic enzyme release, bile flow, and intestinal movement, allowing digestion to proceed as an integrated process. This coordination links local events in the gut with responses in other organs through endocrine communication.
These conditions provide information about what is occurring inside the gastrointestinal tract. Food signals the presence of nutrients, acidity reflects the chemical environment, and mechanical distension indicates physical filling. Digestive hormones translate those cues into changes in secretion, movement, nutrient handling, appetite, or glucose balance, matching physiological activity to digestive needs.
Digestive hormones provide a chemical communication route that works alongside neural control. Because these signals travel through the bloodstream, they can connect gastrointestinal activity with distant organs rather than only influencing nearby tissues. Studying both systems helps biology explain how digestion coordinates secretion, movement, nutrient handling, appetite, and glucose balance.
Comparing these hormones highlights the range of signals involved in digestion and energy regulation. The broader hormone network links gastric acid secretion, pancreatic activity, bile flow, intestinal movement, appetite, and glucose balance. Examining their different roles helps researchers determine how specialized signals contribute to overall coordination between the gastrointestinal tract and other organs.
Researchers examine how these pathways relate to disorders that affect digestion or broader metabolic control. The overview identifies ulcers, obesity, diabetes, and inflammatory gut disease as relevant areas. Studying hormone signaling can therefore connect abnormal digestive communication with clinical problems and support the search for diagnostic tools or targeted therapies.
They show how one organ system communicates with the rest of the body through endocrine signaling. Their effects include appetite and glucose balance as well as digestive secretions and movement, so they connect food processing with wider nutrient regulation. This makes digestive hormones useful for understanding integrated physiology and for guiding research across biology and medicine.