home/medterms medical dictionary a-z list / medial definition. Anatomical lines are used to describe anatomical location. International organisations have determined vocabularies that are often used as standard vocabularies for subdisciplines of anatomy, for example, Terminologia Anatomica for humans, and Nomina Anatomica Veterinaria for animals. In anatomy the side of the body or a body part that is farther from the middle or center of the body. Thus, there are multiple possible radial axes and medio-peripheral (half-) axes. The term rostral is rarely used in human anatomy apart from embryology and refers more to the front of the face than the superior aspect of the organism. [49] Terms used to describe structures include "buccal" (from Latin bucca 'cheek') and "palatal" (from Latin) referring to structures close to the cheek and hard palate respectively. As part of defining and describing terms, the body is described through the use of anatomical planes and anatomical axes. https://medical-dictionary.thefreedictionary.com/anatomy. Relating to, situated in, or extending toward the middle; median. Prolateral refers to the surface of a leg that is closest to the anterior end of an arachnid's body. The Human Heart Anatomy And Circulation Worksheet. Median generally means 'between two other structures'; thus, the median nerve lies between the radial nerve and the ulnar nerve in … For example, as humans are approximately bilaterally symmetrical organisms, anatomical descriptions usually use the same terms as those for vertebrates. [2], Deep (from Old English) describes something further away from the surface of the organism. In projectional radiography terminology, an anteroposterior (AP) projection is taken with the X-ray generator anteriorly (such as in the front of a human), and the X-ray detector posteriorly. 1. Introduction To Anatomy And Physiology Anatomy4fa. Le... How do people born with half a body go to the bathroom. [5] Combined terms were once generally, hyphenated, but the modern tendency is to omit the hyphen. The definition of medial is in the middle, near the axis, or average. [45] For this reason, the end of the organism with the mouth is referred to as the oral end (from Latin ōrālis 'of the mouth'),[61] and the opposite surface is the aboral end (from Latin ab- 'away from').[62]. For example the medial side of the knee is the side closest to the other knee whereas the lateral side of the knee is the outside of the knee. 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For improved clarity, the directional term palmar (from Latin palma 'palm of the hand') is usually used to describe the front of the hand, and dorsal is the back of the hand. Your health care provider may use this term to clearly explain the relationship between things found during a physical exam or on medical … Nearer the middle of the body. Medial Layers of the Knee. It is the opposite of lateral. Medical dictionary is intended for use by healthcare consumers students and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in todays medical news. How to use medial in a sentence. [3] Example axes are: Examples of axes in specific animals are shown below. [47][48] For example, the terms "distal" and "proximal" are also redefined to mean the distance away or close to the dental arch, and "medial" and "lateral" are used to refer to the closeness to the midline of the dental arch. A branch of morphology that deals with the structure of organisms. Medial means toward the middle or center. Thus the elbow is distal to a wound on the upper arm, but proximal to a wound on the lower arm. Within a multilayered structure, the center layer. From Applegate, 2000. See additional information. [39], The ventral (from Latin venter 'belly') surface refers to the front, or lower side, of an organism.[39]. The axes of the body are lines drawn about which an organism is roughly symmetrical. Because the sacrum and coccyx are fused, they are not often used to provide the location. Radially symmetrical organisms include those in the group Radiata – primarily jellyfish, sea anemones and corals and the comb jellies. See more. In some alphabets, the form of a letter that is used as neither an initial nor final letter. These terms are not used to form the fixed axes. Peripheral (from Latin peripheria, originally from Ancient Greek) describes something further away from the centre of something.