Search Results for: trigger
Medullary chemoreceptor trigger zone
Medullary chemoreceptor trigger zone (CTZ) (anatomy and physiology) It is located in the Medulla (i.e. Part of the brain)... Read More
Unconditioned stimulus
An unconditioned stimulus inherently triggers an automatic response, not reliant on deliberate prior learning. In contrast... Read More
Thalassophobia
Among many psychological and psychiatric disorders, one is the fear of the ocean and the fear of deep water, which in... Read More
Inhibitory postsynaptic potential
Inhibitory Postsynaptic Potential Definition An inhibitory postsynaptic potential is a type of synaptic potential. It is... Read More
Precipitating factors
Precipitating Factor Definition Precipitating factors are factors that initiate or promote the onset of any illness,... Read More
Differentiation
Differentiation in biology is the process where less specialized cells undergo changes to develop specialized structures and... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More
Smooth endoplasmic reticulum
Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is part of or a region in the endoplasmic... Read More
Digastric muscle
Digastric Definition The digastric muscle is a paired muscle located under the jaw, consisting of the anterior and... Read More
Positive feedback
Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More
Hypothalamic theory
Definition noun A theory on emotion formulated by Walter Cannon in 1929 which states that the diencephalon, consisting of... Read More
Density dependent limiting factor
What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... Read More
Feedback mechanism
Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More
Blood Vessels Hold Key To Thicker Hair Growth
MGH researchers have succeeded in growing hair faster and thicker in mice, thanks to a protein that promotes blood vessel... 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
Nematocyst
All organisms are composed of millions of cells. Many cells serve specific purposes and are specialized to do distinct... Read More
Involuntary muscle
A muscle act typically either under the control of the will or without conscious control. Muscles that can be controlled at... Read More
Luteinizing hormone
Definition noun, plural: luteinizing hormones A gonadotropin released by the gonadotropes of the anterior pituitary, and,... Read More
Digestion and Absorption of Food
The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More
Human Perception – Neurology
A better understanding of human perception unlocks the key to how the mind works, an advantage when working with people with... Read More
Animal Growth Hormones
Reviewed by: Mary Anne Clark, Ph.D. As mentioned in the previous tutorial, hormones are produced in... Read More
Plant Cell Defense
Hydrogen Peroxide Plants release hydrogen peroxide in response to the presence of a fungal invasion, which attacks by... Read More
Brief Review on Climate Change and Tropical Peatlands
Peat soils are formed from biochemical process on moderately decomposed vegetation by aerobic microorganisms. It is mostly... 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
Molecular Basis of Temperature-Dependent Gender of Red-Eared Slider Turtle
Imagine a child inside a womb with a sex yet to be decided not by the pair of sex chromosomes but by the ambient temperature... Read More
Pathobiology of allergy and its most severe form, anaphylaxis
When allergy season looms, some people with serious hypersensitivity to allergens tend to be apprehensive of what may come.... Read More
Peristalsis
What is Peristalsis? Peristalsis is the series of involuntary, wave-like muscle movements in the cylindrical, hollow tube... Read More
Asexual reproduction
Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More
Hyperthermia
Definition noun A condition in which the body temperature is higher than the normal range Supplement Hyperthermia pertains... Read More
Parthenogenesis
To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More
Phagocytosis
Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... Read More
Carrier protein
Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More