131 results found

Search Results for: contraction

Antagonistic Muscle

Definition of Antagonistic Muscle What does the term “antagonistic” mean? As the name suggests, the word antagonistic... Read More

Muscle

Muscle cells are specialized to generate force and movement. There are three types of muscle tissue: (1) skeletal muscle,... Read More

Idiomuscular contraction

Idiomuscular contraction --> myoedema a localised contraction of a degenerating muscle, occurring at the point of a sharp... Read More

Muscular system

Muscular System Definition What is the muscular system? The muscular system is a system that includes muscle cells and... Read More

Muscle contraction

muscle contraction A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs... Read More

Anodal opening contraction

Anodal opening contraction An obsolete term for the momentary contraction of a muscle under the influence of the positive... Read More

Contraction

Contraction (Science: physiology) a shortening or reduction in size, in connection with muscles contraction implies... Read More

Tonic contraction

tonic contraction Sustained contraction of a muscle, as employed in the maintenance of... 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

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Isotonic

Isotonic Definition What does isotonic mean? The term "isotonic" is used in physiology, anatomy, and physical chemistry.... Read More

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Smooth endoplasmic reticulum

Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is (a part of) endoplasmic reticulum that is... 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

Cytokinesis

The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Microfilament

Definition noun plural: microfilaments mi·cro·fil·a·ments, mī'krō-fil'ă-mĕnts A thin, helical, single-stranded... Read More

Digestion and Absorption of Food

The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More

Abdominal reflex

Definition noun, plural: abdominal reflexes Abdominal wall muscle contraction of the umbilicus toward the abdominal quadrant... Read More

Starlings law

Definition noun Starling’s law states that the force of contraction depends on the length of muscle fibers of the heart... Read More

Positive feedback

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

Prostaglandin

Definition noun, plural: prostaglandins A group of eicosanoids, structurally characterized as 20-carbon unsaturated fatty... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Prostaglandin F2-alpha

Definition noun, plural: prostaglandins F A biologically active prostaglandin that forms when the intermediate prostaglandin... Read More

Cytoskeleton

Definition noun plural: cytoskeletons cy·to·skel·e·ton (cell biology) The lattice or internal framework of a cell... 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

Peristalsis

The process of wave-like muscle contractions of the alimentary tract that moves food along.peristalsis (Science:... Read More

Terminal web

Definition noun (cell biology) The subapical zone rich in microfilaments, and acts as the attachment point for the bundles... Read More

Ganglion

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Vacuole

A vacuole is a single membrane-bound organelle with no definite shape or size found in both prokaryotic and eukaryotic... Read More

Stroke volume

stroke volume (Science: physiology) The amount of blood pumped out of one ventricle of the heart as the result of a single... Read More

Semilunar valve

The human heart structure consists of heart chambers (2 atria and 2 ventricles) that differ functionally from each other.... Read More

Muscle tissue

Definition noun, plural: muscle tissues An animal tissue capable of contracting, and therefore enables movement or tension... Read More

Oxytocin

Definition noun, plural: oxytocins An antidiuretic peptide hormone (chemical formula: C46H66N12O12S2) produced chiefly by... Read More

Twitch

twitch 1. The act of twitching; a pull with a jerk; a short, sudden, quick pull; as, a twitch by the sleeve. 2. A short,... Read More

Sarcomere

Definition noun, plural: sarcomeres A segment consisting of a highly organized assembly of filaments delimited by two Z... 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

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More