Search Results for: cardiac
Myocardium
Myocardium Definition What is the myocardium of the heart? It is the muscular middle layer of the heart that is... Read More
Cardiac muscle
Definition noun, plural: cardiac muscles (1) The heart muscle of the vertebrates (2) myocardium Supplement The muscles 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
Muscular system
Muscular System Definition What is the muscular system? The muscular system is a system that includes muscle cells and... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... 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
Cardiac notch of left lung
Cardiac notch of left lung The notch in the anterior border of the superior lobe of the left lung which accommodates the... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... 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
Autocrine signaling
Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More
Sarcoplasmic reticulum
Definition noun plural: sarcoplasmic reticula (cell biology) The special type of smooth endoplasmic reticulum found in... Read More
Agonal rhythm
Agonal Rhythm Definition Agonal rhythm is the slow, irregular heart rhythm (electrical activity of the heart), particularly... Read More
Voluntary muscle
Definition noun, plural: voluntary muscles A muscle that can be controlled voluntarily Supplement Some of the muscles of the... 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
Muscle cell
Definition noun, plural: muscle cells Any of the long, tubular mature contractile cells that make up the muscle... Read More
Depressor reflex
Depressor reflex --> cardiac depressor reflex a fall in blood pressure due to peripheral vasodilation and cardiac... Read More
Hyperosmotic
Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... 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
Respiration rate
Respiration Rate Definition Respiration rate is a vital life process that expresses the breathing rate in an organism... Read More
Afferent Nerve
Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More
Fibroblast
The building block of living things is known as the cell. The cell contributes to many parts and functions of different... Read More
Chylomicron
Definition noun, plural: chylomicrons Any of the lipoprotein particles found in blood and lymph that is associated with the... Read More
Bolus injection
A bolus injection is the act of administering a dose of medication or substance directly into the bloodstream by injection.... Read More
Cardiotonic agent
Cardiotonic agent agents that have a tonic effect on the heart or increase cardiac output. They may be glycosidic steroids... Read More
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
Stannius ligature
Definition noun A ligature done in between the sinus venosus and the atrium or around the atrioventricular junction of an... Read More
Digestive Enzymes
Have you ever thought about what happens to the food after you have taken it into your mouth? How those big steak pieces... Read More
Glycocalyx
What is the Glycocalyx? The glycocalyx is a polysaccharide-based gel-like, highly hydrous cellular thin layer, covering... Read More
Skeletal muscle
Definition noun, plural: skeletal muscles A voluntary, striated (vertebrate) muscle that is associated with the skeleton,... Read More
End-systolic volume
End-systolic volume The amount of blood in the ventricle at the end of the cardiac ejection period and immediately preceding... Read More
Gastric gland
Definition noun, plural: gastric glands Any of the glands in the stomach responsible for producing components of gastric... Read More