Search Results for: hypothalamus
Hypothalamus
Definition noun, plural: hypothalami A small region of the forebrain comprised of several small nuclei, located between the... Read More
Hormone Production
Reviewed by: Mary Anne Clark, Ph.D. Hormones are chemical messengers produced by glands in the endocrine system.... Read More
An introduction to Homeostasis
Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... 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
Hypothalamic hormone
Definition noun, plural: hypothalamic hormones Any of the various neurohormones produced by specialized neurons in the... 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
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
Herring body
Definition noun, plural: Herring bodies The neurosecretory terminal of the axons from the hypothalamus and located in the... Read More
Chronobiology
Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More
Vasopressin
Definition noun, plural: vasopressins An antidiuretic peptide hormone produced by the magnocellular and the parvocellular... Read More
Positive feedback
Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... 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
Neurohormone
Definition noun, plural: neurohormones Any of the various hormones secreted by neuroendocrine cells Supplement A... Read More
Follicle-stimulating hormone
Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More
Animal Growth Hormones
Reviewed by: Mary Anne Clark, Ph.D. As mentioned in the previous tutorial, hormones are produced in... Read More
Endogenous pyrogen
Definition noun, plural: endogenous pyrogens A type of pyrogen produced by activated immune cells, and incite the rise in... Read More
The Conscious & Unconscious Nervous System
The Central Nervous System is arguably the most important part of the body because of the way it controls the biological... Read More
Feedback mechanism
Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More
Melanocyte-stimulating hormone
Definition noun, plural: melanocyte-stimulating hormones A peptide hormone in vertebrates that primarily regulate melanin... Read More
Argipressin
Definition noun, plural: argipressins A vasopressin that has an amino acid sequence:... Read More
Homeostasis of Organism Water Regulation
Osmoregulation Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the... Read More
Temperature Regulation in Animals
Control of Temperature in Homeotherms Animals capable of temperature regulation within a given range are deemed homeotherms... Read More
Hyperthermia
Definition noun A condition in which the body temperature is higher than the normal range Supplement Hyperthermia pertains... Read More
Kidneys and Regulation of Water and Inorganic Ions
Renal Functions Kidneys remove/add substances from/to the plasma. Regulate water concentration, inorganic ion... Read More
Exogenous pyrogen
Definition noun, plural: exogenous pyrogen A type of pyrogen that is of microbial origin, such as the lipopolysaccharide in... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Hypertonic
Hypertonic Definition Hypertonic is a term used to describe an entity being in the state of hypertonicity, where there is a... Read More
Neural Control Mechanisms
Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More
Control of Growth & Development
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a day to... Read More
Endocrine system
Definition noun The bodily system consists of the endocrine glands, and is responsible for the production and secretion of... Read More
Thyrotroph
Definition noun, plural: thyrotrophs The cell in the anterior pituitary that particularly releases thyroid-stimulating... 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
Diaphoresis
What is Diaphoresis? Diaphoresis is referred to excessive or profuse perspiration or sweating which may be due to... Read More
Corticotroph
Definition noun, plural: corticototrophs The cell in the anterior pituitary that particularly releases adrenocorticotropic... Read More