Search Results for: capillary
Capillary action
Definition noun The movement of a liquid, e.g. water molecules, through a narrow space as a result of cohesion, adhesion,... Read More
Capillary permeability
Definition noun The property or capability of capillary walls to allow the selective flow of substances and cells into and... Read More
Capillary fragility test
Definition noun A tourniquet test that is used to determine vitamin C (ascorbic acid) deficiency or thrombocytopenia... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Body fluid
Body Fluids Definition What is body fluid? Literally, body fluid is the fluid of the body. The adult human body is ~50-60%... Read More
Lymph capillary
Definition noun, plural: lymphatic capillaries (anatomy) A minute, thin-walled vessel of the lymphatic system that is... Read More
![Osmotic pressure n., plural: osmotic pressures [ɑsˈmɑtɪk ˈpɹɛʃ.ɚ] osmotic pressure definition and example](https://www.biologyonline.com/wp-content/uploads/2020/11/osmotic-pressure-definition-and-example-300x168.jpg)
Osmotic pressure
Osmotic Pressure Definition Osmotic pressure is the pressure caused by a difference in the amounts of solutes (or... 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
Nervous System
THE is the most complicated and highly organized of the various systems which make up the human body. It is the... 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
An introduction to Homeostasis
Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More
Nonapeptide
Definition noun, plural: nonapeptides An oligopeptide comprised of nine amino acid residues Supplement Peptides are monomers... Read More
Blood vessel
Definition noun, plural: blood vessels Any of the vessels in cardiovascular system and functions by carrying blood... Read More
Renal medulla
Definition noun, plural: renal medullae or renal medullas The inner region of the kidney that is arranged into renal... Read More
Blood-air barrier
Blood-air barrier The barrier between capillary blood and alveolar air comprising the alveolar epithelium and capillary... Read More
Saline solution
Saline Solution Definition Saline solution is one the most medically-used solution, which contains sodium chloride... Read More
Transudation
Definition noun (1) The act, process, or condition of transuding, i.e. the oozing or passing gradually of a liquid possibly... Read More
Trichomonas vaginalis
Definition noun A parasitic flagellated protozoan that may infect the vagina and the urethra of women and the urethra and... Read More
Systemic venule
Definition noun, plural: systemic venules The venule that connects the capillary bed to the systemic vein to return the... Read More
Osseous tissue
What Is Bone Or Osseous Tissue? Osseous tissue is the structure providing, hard and mineralized connective tissues. Osseous... 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
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
Vascular tissue
Definition noun, plural: vascular tissues (botany) A complex permanent tissue involved in the conduction of materials (e.g.... Read More
Movement of Molecules Across Cell Membranes
Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More
Passive transport
Passive transport is a type of cellular transport in which substances such as ions and molecules move down their respective... Read More
Wasted ventilation
wasted ventilation That part of the pulmonary ventilation which is ineffective in exchanging oxygen and carbon dioxide with... Read More
Trichomoniasis
Definition noun (pathology) A sexually transmitted infection caused by a trichomonad species, especially Trichomonas... Read More
Interstitial fluid
Definition noun The fluid found in the intercellular spaces composed of water, amino acids, sugars, fatty acids,... Read More
Thermometer
thermometer (Science: physics) An instrument for measuring temperature, founded on the principle that changes of temperature... Read More
Phagocytosis
Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... Read More
Adipose tissue
Adipose Tissue Definition Adipose tissue, a specialized variety of connective tissue, is composed of lipid-rich cells known... Read More