172 results found

Search Results for: solution

Saline solution

Saline Solution Definition Saline solution is one the most medically-used solution, which contains sodium chloride... Read More

Hypotonic solution

Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... Read More

Isotonic

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

Solution

Definition noun, plural: solutions (chemistry) A type of homogenous mixture in which the particles of one or more substances... Read More

Aqueous solution

Definition noun, plural: aqueous solutions A solution wherein water is the dissolving medium or solvent Supplement Solution,... Read More

Hyperosmotic

Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... Read More

Hypertonic solution

Definition noun A solution that has higher osmotic pressure (or has more solutes) than another solution to which it is... Read More

Osmosis

Osmosis is the net movement of solvent molecules through a semipermeable membrane. It is similar to diffusion as the... Read More

Osmotic pressure

Osmotic Pressure Definition Osmotic pressure is the pressure caused by a difference in the amounts of solutes (or... Read More

Standard solution

standard solution Standardised solution, a solution of known concentration, used as a standard of comparison or... Read More

Turgidity

Turgidity Definition Turgidity is the state of being turgid or swollen, especially due to high fluid content. In a general... Read More

Iodine test

Iodine Test Definition The iodine test is a chemical reaction-based identification test for starch. In this test, iodine... Read More

Locke-ringer solution

Locke-ringer solution a solution containing NaCl, CaCl2, KCl, MgCl2, NaHCO3, d-glucose, and water; used in the laboratory... Read More

Flaccid

Flaccid Definition Biology – What is Flaccid? In botany, the term flaccid refers to a cell that lacks turgidity, i.e. it... 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

Reducing sugar

Reducing Sugar Definition What is reducing sugar? The type of sugar that acts as the reducing agent and can effectively... Read More

Plasmolysis

Plasmolysis is the shrinking of protoplasm away from the cell wall of a plant or bacterium. The protoplasmic shrinking is... Read More

Osmotic Potential

Definition noun (1) The potential of water molecules to move from a hypotonic solution (more water, less solutes) to a... Read More

Isotonic solution

Isotonic solution One that has the same salt concentration as cells and... Read More

Neutral solution

(Science) Has a pH level of 7: a solution in which the concentration of hydrogen ions and hydroxide ions are... Read More

Dissolution

Dissolution 1. The act of dissolving, sundering, or separating into component parts; separation. Dissolutions of ancient... Read More

Tonicity

Definition noun (1) A property of a solution that depends on the osmotic force exerted across the membrane as influenced by... 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

Transport

In biology, transport refers to the act or the means by which a molecule or ion is moved across the cell membrane or via the... Read More

Hypertonic

Definition adjective (1) Having a greater degree of tone, tension or tonicity (2) Having a greater osmotic pressure in a... Read More

Hypotonic

Definition adjective (1) Having a lesser degree of tone, tension or tonicity (2) Having a lesser osmotic pressure in a fluid... Read More

Diffusion

Diffusion Definition Diffusion is the net passive movement of molecules or particles from regions of higher to regions of... Read More

Chemical Composition of the Body

In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More

Hypertonicity

Definition noun The state of being hypertonic, i.e. having a greater degree of tone or tension Supplement In biology,... Read More

Hypotonicity

Definition noun The state of being hypotonic, i.e. having lesser degree of tone or tension Supplement In biology, tonicity... Read More

Soapsuds enema

Definition The injection of a mixture of water and soap into the colon. Supplement The soapsuds enema uses a mixture of a... Read More

Oxidation

Oxidation Definition How do we define oxidation? There are several definitions of the oxidation process. Oxidation can be... Read More

Substance

Substance Definition What is a substance? The word substance finds varied usages in different science fields. In general... Read More

Solubility

Definition noun (1) The quantity of a particular substance (solid, liquid, or gas solute) that can dissolve in a particular... Read More

Buffer

Definition noun, plural: buffers (1) (chemistry) A buffer solution : a solution containing either a weak acid and a... Read More

Solute

Definition noun , plural: solutes (chemistry) 1. a component of a solution: in a solution, the dissolving substance is... Read More

Concentration

Definition noun (1) The measure of the amount of a sub-component (especially solute) in a solution (2) The ratio of the mass... Read More

Isotonicity

Definition noun The state of being isotonic, or having equal tension or tonicity Supplement In biology, tonicity pertains to... Read More

Problem

problem 1. A question proposed for solution; a matter stated for examination or proof; hence, a matter difficult of solution... Read More

Ion

We have been introduced to ions in varied fields of Science like Physics, Chemistry, and Biology. This article takes you on... Read More