Search Results for: cortex
Renal cortex
Definition noun, plural: renal cortexes or renal cortices The outer region of the kidney where the glomeruli, the proximal... Read More
Cortex glandulae suprarenalis
Cortex glandulae suprarenalis --> suprarenal cortex the outer part of the adrenal gland, consisting of three zones from... 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
Cytokinesis
The cell cycle of eukaryotes is a cyclical series of biological events that certain asexual cells go through. The cell cycle... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... 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
Parenchyma
Parenchyma Definition What does parenchyma mean? Let's define the word "parenchyma". Most of the functional tissues in... Read More
Lymph nodes
Lymph nodes definition Lymph nodes are small, bean-shaped organs located in different parts of the body and act as... 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
Mineralocorticoid
Definition noun, plural: mineralocorticoids Any of a group of corticosteroids produced by the adrenal cortex that act on the... Read More
Internal capsule
Definition noun (anatomy) A fan-like, 8-10 mm thick of white matter separating the caudate nucleus and the thalamus from the... Read More
The Conscious & Unconscious Nervous System
The Central Nervous System is arguably the most important part of the body because of the way it controls the biological... Read More
Phelloderm
Definition noun, plural: phelloderms (botany) A part of the periderm made up of cells produced inwardly by the cork... Read More
Medial longitudinal fissure
Definition noun A median fissure separating the two hemispheres of the vertebrate brain Supplement The cerebrum of... Read More
Phosphorylation
Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More
The biology of how the brain forgets
Our brain tends to forget things that we wish we would always remember. And yet, it cannot forget certain things we wish... 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
Decerebrate rigidity
Definition noun An involuntary posturing whereby the arms are extended on the sides while the head is arched back, as... Read More
Aldosterone
Definition noun, plural: aldosterones A mineralocorticoid with a chemical formula of C21H28O5, and controls salt and water... Read More
External capsule
Definition noun (anatomy) A thin, white sheet of whiter matter fibers in the brain between the putamen and... Read More
Corticosteroid
Definition noun, plural: corticosteroids A steroid hormone produced by the adrenal cortex, e.g. glucocorticoids and... 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
Hypothalamic theory
Definition noun A theory on emotion formulated by Walter Cannon in 1929 which states that the diencephalon, consisting of... Read More
Ground meristem
Definition ''noun, plural: ground meristem (botany) The primary meristematic tissue from where the ground tissues (i.e.... Read More
Neural Control Mechanisms
Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More
Glucocorticoid
Definition noun, plural: glucocorticoids Any of a group of corticosteroids involved in carbohydrate metabolism (e.g.... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More
Ground tissue
Definition noun, plural: ground tissues (botany) Any of the non-dermal, non-vascular tissue of vascular... Read More
Consciousness and Behavior
States of Consciousness Defined either by (1) behavior - ranging from attentive and alert to coma and (2) electrical... 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
Hormone Production
Reviewed by:Â Mary Anne Clark, Ph.D. Hormones are chemical messengers produced by glands in the endocrine system.... Read More
Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae)
Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae) VIANNA, Wânia de Oliveira, SOARES, Marli Kasue Misaki... Read More
Brown algae
Brown Algae Definition Brown algae are algal species characterized by being multicellular and having a brown or... Read More