81 results found

Search Results for: blood volume

Blood volume

Definition noun The total amount of blood in the body; the sum of the plasma volume and erythrocyte volume; the volume of... Read More

Circulation

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

Erythrocyte

Erythrocyte Definition Erythrocytes (red blood cells or RBCs) are the myeloid series of specialized cells that play an... 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

Plasma volume

Definition noun The total volume of the blood plasma in the circulatory system Supplement The blood is comprised of plasma... 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

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

Respiration rate

Respiration Rate Definition Respiration rate is a vital life process that expresses the breathing rate in an organism... Read More

Hypertonic

Hypertonic Definition Hypertonic is a term used to describe an entity being in the state of hypertonicity, where there is a... Read More

Isotonic

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

Packed cell volume

Definition noun The proportion of blood occupied by red blood cells, usually expressed as a percentage of the total blood... 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

Hypertrophy

Hypertrophy Definition Hypertrophy refers to the enlargement or increase in the size of an organ or tissue due to the... Read More

Spongy bone

Spongy bone, also known as cancellous bone or trabecular bone, is a type of bone tissue found at the ends of long bones and... Read More

Hypertonic solution

Hypertonic Solution Definition Hypertonic solution is a relative term that describes the solution having a higher amount of... 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

Hyperosmotic

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

Saline solution

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

Exudate

What is an exudate? The inflammation or injury in a tissue result in increased permeability of the blood vessels that... 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

Osseous tissue

What Is Bone Or Osseous Tissue? Osseous tissue is the structure providing, hard and mineralized connective tissues. Osseous... Read More

Nephron

Definition noun, plural: nephrons The structural and functional unit of the kidney, i.e. a structure comprised of a set of... Read More

Digestion and Absorption of Food

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

Plasma

Definition noun (1) Fluid through which cellular components of blood, lymph, or intramuscular fluid are suspended (2)... Read More

Osmotic pressure

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

Hypotonic

Hypotonic Definition Hypotonic is a term used to describe an entity being in the state of hypotonicity. Hypotonicity refers... Read More

Blood vessel

Definition noun, plural: blood vessels Any of the vessels in cardiovascular system and functions by carrying blood... Read More

Diuresis

Diuresis Definition In simple terms, excessively increased urination is referred to as diuresis. Diuresis is a collective... Read More

Aldosterone

Definition noun, plural: aldosterones A mineralocorticoid with a chemical formula of C21H28O5, and controls salt and water... Read More

Mineralocorticoid

Definition noun, plural: mineralocorticoids Any of a group of corticosteroids produced by the adrenal cortex that act on the... Read More

Hyaline cartilage

Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More

Blood Vessels Hold Key To Thicker Hair Growth

MGH researchers have succeeded in growing hair faster and thicker in mice, thanks to a protein that promotes blood vessel... 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

Ganglia

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

Homogenous

What is homogenous? What does homogenous mean? The word homogenous has been derived from two Greek words that are... Read More

Anatomy

Anatomy Definition Often we hear the term 'anatomy' while learning about the body and how it works. What is anatomy? What... Read More

Valine

Amino acids are categorized into two groups based on the capability of the human body to synthesize them; essential and... Read More

Oxygen

Oxygen Definition In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More

Albumin

Albumin Definition What is albumin? Is albumin a protein? In biology, albumin is a protein that is responsible for the... Read More