Search Results for: resting
Resting potential
Resting Potential Definition The resting potential of a cell is defined as the difference in electrical potential across... Read More
Generation of resting membrane potential
Stephen H. Wright Department of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... Read More
Depolarization
Depolarization is the removal of polarity by a process or action. It might also be used to describe how such activity leads... Read More
Resting tidal volume
resting tidal volume The tidal volume under normal conditions, i.e., in the absence of exercise or other conditions that... Read More
Resting cells
resting cell A quiescent cell; one not undergoing... Read More
Axon hillock
Axon Hillock Definition What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... 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
Inhibitory postsynaptic potential
Inhibitory Postsynaptic Potential Definition An inhibitory postsynaptic potential is a type of synaptic potential. It is... Read More
Sarcolemma
Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More
Interphase
Interphase is the critical period in the eukaryotic cell cycle characterized by a sequence of events like the G1 phase where... Read More
Gap 0 phase
Definition noun The phase in the cell cycle wherein the cell is in inactive or non-cycling state following cell... Read More
Microelectrode
Definition noun, plural: microelectrodes An electrode with a tip having dimensions of the order of one micrometer, thereby... Read More
Cell cycle
Definition noun (cell biology) The sequence of growth and division of a cell, and consists of a series of biological... Read More
Concentration gradient
What is a concentration gradient? A gradient is a measure of how steep a slope is. Thus, a concentration gradient would be... Read More
Interkinesis
Definition noun Interphase II, i.e. a short resting period occurring between meiosis I and meiosis II Supplement Meiosis is... Read More
Repolarization
Definition noun The process or act of repolarizing; the restoration of a polarized condition Supplement In physiology,... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Cytokinesis
The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Residual volume
Residual volume is a term that is most often seen in lung physiology where it is defined as the amount of air remaining in... Read More
Respiration rate
Respiration Rate Definition Respiration rate is a vital life process that expresses the breathing rate in an organism... Read More
Integumentary system
Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More
Energy coupling
What is Energy Coupling? Work, whether it be physical or biological, requires energy to be expended. In biological... Read More
Escape conditioning
Definition noun A form of conditioning in which the subject learns to perform a behavior that terminates an aversive... Read More
Hyperpolarization
Definition noun The process or act of making the membrane potential of a cell more negative Supplement Hyperpolarization is... Read More
Gap 1 phase
Definition noun (cell biology) The first period in the interphase wherein the cell primarily grows in cell... Read More
Gap 2 phase
Definition noun (cell biology) A sub-phase in the interphase of the cell cycle wherein the cell continues to grow and then... Read More
Synthesis phase
Definition noun (cell biology) A sub-phase in the interphase wherein the cell primarily duplicates its DNA via... Read More
Phagocytosis
Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... Read More
Mitotic phase
Definition noun The phase in the life cycle of a cell highlighted by chromosomal separation resulting into two identical... Read More
Infradian rhythm
What is the Infradian Rhythm? An infradian rhythm is a type of biological rhythm that lasts longer than 24 hours, with a... 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
Functional residual capacity
Definition noun The volume of gas that stays in the lungs at resting expiratory level or at the end of a normal... Read More
Gap 2-M DNA damage checkpoint
Definition noun (cell biology) A control mechanism in G2 phase of the cell cycle that ensures the cell is ready for cell... Read More
