38 results found

Search Results for: median

Median plane

In anatomy, the median plane refers to a plane passing vertically through the midline. It divides the body into left and... Read More


median (Science: statistics) Any value that divides the probability of a random variable in half, i.e. The probability of... Read More

Anatomical plane

An anatomical plane refers to a hypothetical plane used in describing the location of bodily structures or movement... Read More

Medial longitudinal fissure

Definition noun A median fissure separating the two hemispheres of the vertebrate brain Supplement The cerebrum of... Read More

Apertura mediana ventriculi quarti

Apertura mediana ventriculi quarti median aperture of fourth ventricle: a deficiency in the lower portion of the roof of the... Read More

Midsagittal section

midsagittal section --> median section A cross section attained by slicing in the median plane, actually or through... Read More

Hypothalamic hormone

Definition noun, plural: hypothalamic hormones Any of the various neurohormones produced by specialized neurons in the... Read More


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


Definition noun, plural: inversions (general) The reversal of state, form, position, direction, order, or course, such as... Read More

Superior pharyngeal constrictor

Definition noun (anatomy) The quadrilateral muscle in the pharynx, located superior to other pharyngeal constrictor muscles,... Read More

Parasagittal plane

Definition noun (anatomy) A plane situated alongside or parallel to the sagittal plane, but not including the median plane... Read More

Tuberculum impar

tuberculum impar A small median protuberance on the floor of the oral cavity of the embryo between the mandibular and hyoid... Read More

Addisons clinical planes

Addisons clinical planes a series of planes used as landmarks in thoracoabdominal topography; the trunk is divided... Read More

Ape hand

Definition noun A deformity marked by the extension of the thumb in the same plane as the palm and fingers or the failure to... Read More

Longitudinal section

Longitudinal Section Definition To describe the direction of movements and location of different body structures, a... Read More


Lateral 1. (Science: anatomy) Denoting a position farther from the median plane or midline of the body or of a structure. 2.... Read More

Volar carpal ligament

volar carpal ligament --> transverse carpal ligament (Science: anatomy) A strong fibrous band crossing the front of the... Read More

Tractus vestibulospinalis

tractus vestibulospinalis --> vestibulospinal tract A somatopically organised fibre bundle originating from the lateral... Read More


Lingua (Science: zoology) a tongue. a median process of the labium, at the under side of the mouth in insects, and serving... Read More

Horseshoe crab

Definition noun, plural: horseshoe crabs A crab-like marine chelicerate arthropod of the taxonomic family... Read More

Sagittal plane

Definition noun (anatomy) A plane traversing the direction from top to bottom, resulting in the formation of left and right... Read More

Abdominal raphe

Definition noun A fibrous white streak running vertically along the median line from the umbilicus to the... Read More

Hypogastric region

Definition ''noun, plural: hypogastria" An anatomical term used to refer to the lowermost median region of the... Read More

Antecubital fossa

Definition noun (anatomy) The fossa in the anterior of the cubitus, or simply the depression in front of the... Read More

Cubital fossa

Definition noun (anatomy) The fossa in the anterior of the cubitus, or simply the depression in front of the... Read More


Definition noun A genus of the family Limulidae Supplement Limulus is a taxonomic genus of the family Limulidae, commonly... Read More

Cerebral hemisphere

Definition noun, plural: cerebral hemispheres A half sphere of the cerebrum marked longitudinally by a median... Read More

Adductor muscle

Adductor muscle (Science: anatomy) Any muscle that pulls inward toward the midline of the body. For example, the adductor... Read More


umbilicus 1. (Science: anatomy) The depression, or mark, in the median line of the abdomen, which indicates the point where... Read More

Sagittal section

Definition A cut (in actual or by imaging techniques) from the top to the bottom of the body, or of any anatomic structure,... Read More

Cerebral hemispheres

Definition noun, singular: cerebral hemisphere The left and right regions of the cerebrum separated longitudinally by a... Read More


Intercentrum (Science: anatomy) The median of the three elements composing the centra of the vertebrae in some fossil... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Anterior funiculus

Anterior funiculus anterior white column of spinal cord, a column or bundle of white matter on either side of the anterior... Read More


Definition noun, plural: neurohormones Any of the various hormones secreted by neuroendocrine cells Supplement A... Read More


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

Submetacentric chromosome

Definition noun, plural: submetacentric chromosomes A chromosome with a centromere located sub-median resulting in slightly... Read More


Foot 1. (Science: anatomy) The terminal part of the leg of man or an animal; especially, the part below the ankle or wrist;... Read More