194 results found

Search Results for: hormone

Follicle-stimulating hormone

Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More

Hormone

Definition noun, plural: hormones (physiology) Any of the substances produced and secreted by an endocrine gland, and then... Read More

Hormone Production

Reviewed by: Mary Anne Clark, Ph.D. Hormones are chemical messengers produced by glands in the endocrine system.... Read More

Animal Growth Hormones

Reviewed by: Mary Anne Clark, Ph.D. As mentioned in the previous tutorial, hormones are produced in... Read More

Growth hormone

Definition noun, plural: growth hormones A polypeptide hormone that in humans and other animals essentially promotes... Read More

Steroid hormone

Definition noun, plural: steroid hormones A type of steroid that acts as a hormone, and that which is exemplified by sex... Read More

Luteinizing hormone

Definition noun, plural: luteinizing hormones A gonadotropin released by the gonadotropes of the anterior pituitary, and,... Read More

Hypothalamic hormone

Definition noun, plural: hypothalamic hormones Any of the various neurohormones produced by specialized neurons in the... Read More

Neurohormone

Definition noun, plural: neurohormones Any of the various hormones secreted by neuroendocrine cells Supplement A... Read More

Prolactin-releasing hormone

Definition noun, plural: prolactin-releasing hormones A polypeptide hormone originating in the hypothalamus, and whose... Read More

Principles of Hormonal Control Systems

Hormones are chemical messengers that enter the blood directly upon their secretion from endocrine glands. A single gland or... Read More

Melanocyte-stimulating hormone

Definition noun, plural: melanocyte-stimulating hormones A peptide hormone in vertebrates that primarily regulate melanin... Read More

Growth and Plant Hormones

Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More

Gametokinetic hormone

Gametokinetic hormone --> follitropin An acidic glycoprotein hormone of the anterior pituitary that stimulates the... Read More

Peptide hormone

'''peptide hormone peptide hormones are a class of peptides that are secreted into the blood stream and have endocrine... Read More

Sex hormone

Definition noun A hormone that is secreted by gonads and is involved in the regulation of sexual functions, such as the... Read More

Somatotroph

Definition noun, plural: somatotrophs The hormone-secreting cell in the anterior pituitary that particularly releases... Read More

Prolactin

Definition noun, plural: prolactins A peptide hormone secreted by lactotropic cell in the anterior pituitary of vertebrates,... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Regulation of Organic Metabolism, Growth and Energy Balance

Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More

Oxytocin – Of Love, Fear, and Anxiety

Oxytocin has long had a reputation of being the "love hormone". It engenders social bonding, attachment, intimacy, and... Read More

Pituitary gland

Definition noun, plural: pituitary glands An endocrine gland situated off the bottom of the hypothalamus, and acts as the... Read More

Atrial natriuretic hormone

Definition noun A peptide hormone released by the atrial heart muscle cells in response to atrial distention, hypertension,... Read More

Local hormone

Local hormone a metabolic product secreted by one set of cells that affects the function of nearby cells; an autacoid; e.g.,... Read More

Thyroxine

Definition noun, plural: thyroxines An iodine-containing hormone (chemical formula: C15H11I4NO4) produced by the thyroid... Read More

Gonadotropin

Definition noun, plural: gonadotropins A polypeptide hormone secreted by the anterior pituitary and the placenta, and acts... Read More

Testosterone

Definition noun, plural: testosterones A steroid hormone with a chemical formula of C19H28O2, and is regarded as the primary... Read More

Cytokinin

Plants require growth hormones for their regulated growth. Plant growth hormones or regulators (PGRs) are small organic... Read More

Thyrotroph

Definition noun, plural: thyrotrophs The cell in the anterior pituitary that particularly releases thyroid-stimulating... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Hypothalamus

Definition noun, plural: hypothalami A small region of the forebrain comprised of several small nuclei, located between the... Read More

Corticotroph

Definition noun, plural: corticototrophs The cell in the anterior pituitary that particularly releases adrenocorticotropic... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Lipotropin

Definition noun, plural: lipotropins A polypeptide hormone of the anterior pituitary gland, presumably acts by promoting fat... Read More

Galactosamine

Definition noun, plural: galactosamines A hexosamine, where galactose contains an amine (-NH2) instead of a hydroxyl (–OH)... Read More

Catabolism

Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More

Diaphoresis

What is Diaphoresis? Diaphoresis is referred to excessive or profuse perspiration or sweating which may be due to... Read More

Estrogen

Definition noun, plural: estrogens A sex steroid hormone produced in large quantities chiefly in the ovaries in females;... Read More

Progesterone

Definition noun, plural: progesterones A progestogen hormone, with a chemical formula of C21H30O2, naturally produced in... Read More

Glycoprotein

Definition noun, plural: glycoproteins Any of the conjugated proteins, characterized by having one or more... Read More