122 results found

Search Results for: kidney

Kidney

Definition noun, plural: kidneys (anatomy) Either of a pair of two bean-shaped organs located at the back of the abdominal... Read More

Supernumerary kidney

Supernumerary kidney A kidney, in addition to the two usually present, developed from the splitting of the nephrogenic... Read More

Head kidney

Head kidney --> pronephros 1. The definitive excretory organ of primitive fishes. Synonym: head kidney. 2. In the embryos of... Read More

Kidney dialysis

Kidney dialysis --> dialysis (Science: technique) The process of separating crystalloids and colloids in solution by the... 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

Kidney calices

Definition noun, singular: kidney calyx Funnel-shaped structures that allow passage of the urine from the ducts of the renal... Read More

Hilum of kidney

Hilum of kidney The depression on the medial border of the kidney through which pass the segmental renal vessels and renal... 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

Diabetes

Diabetes Definition Diabetes is a metabolic disorder characterized by excessive urine excretion (polyuria) and persistent... 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

Filtration

Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More

Renal cortex

Definition noun, plural: renal cortexes or renal cortices The outer region of the kidney where the glomeruli, the proximal... Read More

Renal pyramid

Definition noun, plural: renal pyramids A conical mass of tissues as seen on longitudinal section of the kidney and... Read More

Vasopressin

Definition noun, plural: vasopressins An antidiuretic peptide hormone produced by the magnocellular and the parvocellular... Read More

Convoluted

The word convoluted is often used to describe different things, especially structures or components, that have overlapped.... Read More

Hyperosmotic

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

Glycosuria

Definition noun, plural: glycosuria The presence of atypically high sugar level in urine Supplement Glycosuria is a... 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

Erythropoietin

Definition noun, plural: erythropoietins A glycoprotein hormone that regulates the production of red blood cells in the bone... Read More

Urinary system

Definition noun The organ system concerned with the production and excretion of urine Supplement An organ system, (sometimes... Read More

Guanine

Definition noun plural: guanines gua·nine, ˈɡwɑː.niːn (biochemistry) A purine nucleobase that complementary pairs... Read More

Ureter

ureter The tube passing from each kidney to the bladder for the conveyance of urine. Its average length is 25 to 30... Read More

Aldosterone

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

Purine

Definition noun plural: purines pu•rine, ˈpjʊəɹiːn A heterocyclic aromatic compound with a chemical structure... Read More

Simple squamous epithelium

Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More

Adenine

Definition noun plural: adenines ad·e·nine, ˈædɪnɪn (biochemistry) A purine nucleobase that complementary pairs... Read More

Renal column

Definition noun, plural: renal columns A column-like extension of the renal cortex in the renal medulla Supplement A... Read More

Parenchyma

Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... Read More

Animal Water Regulation

Homeostatic control, a set environment, and how evolution and natural selection drives a species to adapt to its environment... Read More

Urine

Definition noun The animal excrement that forms in the kidneys as a by-product of metabolism Supplement Urine is a waste... Read More

Homeostasis of Organism Water Regulation

Osmoregulation Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the... 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

Polyol

Definition noun plural: polyols pol•y•ol, ˈpɒlɪɒl A polyhydric alcohol, i.e. an alcohol containing three or more... Read More

Sugar Homeostasis

Blood Sugar Regulation As described in Cell Biology tutorials, the body requires volumes of glucose in order to create ATP.... Read More

Cell morphology

The basic essence for any living organism is its structural framework which includes appearance, form, and the... Read More

Cholesterol

Definition noun A sterol or a modified steroid that is synthesized by animal cells to become an essential component of... Read More

Dopamine

Definition noun, plural: dopamines 3,4-dihydroxyphenethylamine (chemical formula: C8H11NO2); a neurotransmitter or a hormone... Read More

Argipressin

Definition noun, plural: argipressins A vasopressin that has an amino acid sequence:... Read More

Urination

Definition noun The process of voiding urine from the body to the outside Supplement Urination is the process whereby urine... Read More