... (anatomy… metacarpal definition in English dictionary, metacarpal meaning, synonyms, see also 'metacarpus',metatarsal',metaplasia',metaphrastical'. Collins Dictionary of Biology, 3rd ed. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Phalanges: The bones of the fingers and of the toes. Summary: ABD/ADD is convex metacarpal moving on concave trapezium (transverse diameter) Flexion/Extension is the concave metacarpal moving on the convex trapezium (longitudinal diameter) Definition metacarpal bones. For the remaining four metacarpals, each has the following features 2: 1. base 1.1. proximal expansion that ser… Metacarpal heads articulate with their corresponding phalanx. The singular of phalanges is phalanx. The ECRL inserts into the dorsal surface of the base of the second metacarpal bone on its radial side to extend and abduct the wrist. middle phalanx. the distal row of four bones, medial to lateral, include the trapezium, trapezoid, capitate and hamate bones. metacarpal This technique produces values of bone mineral density for the whole cross-sectional area of the metacarpal and for the two cortical edges. Information and translations of metacarpal in the most comprehensive dictionary definitions resource on the web. bottom part of your finger. The metacarpals are lengthy bones inside the hand which might be linked to the carpals, or wrist bones, and to the phalanges, or finger bones. Medical Definition of Metacarpal bone. 1. A metacarpophalangeal dislocation, or MCP dislocation, is a dislocation of the metacarpophalangeal joint, usually dorsal, caused by a fall and hyperextension of the MCP joint. Noun. [1, 2] Most of these injuries can be managed nonoperatively with immobilization or controlled mobilization. There are five separate metacarpophalangeal joints that connect each metacarpal bone to the corresponding proximal phalanx of each finger. It is important to note that a positive sign can be seen in up to 10% of normal individuals 4. : of, relating to, or being the part of the human foot or of the hind foot in quadrupeds between the tarsus and the phalanges that in humans comprises five elongated … The five cylindrical bones of the METACARPUS, articulating with the CARPAL BONES proximally and the PHALANGES OF FINGERS distally © W. G. Hale, V. A. Saunders, J. P. … Definition (MSH) The five cylindrical bones of the METACARPUS, articulating with the CARPAL BONES proximally and … 1. Definition. Metatarsals are convex in shape (arch upward), are long bones… With high-resolution 3-T MRI, the complex anatomy of the fingers can be imaged in exquisite detail to provide an accurate diagnosis of clinically important ligament and tendon injuries. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. metacarpal - WordReference English dictionary, questions, discussion and forums. ¹ Source: wiktionary.com. the proximal row of four bones, medial to lateral incluid the scaphoid, lunate, triquetral and pisiform bones. Metacarpal. If this line intersects the head of the 3 rd metacarpal then shortening is deemed to be present. CONCLUSION. Metacarpals (n.). The thumb metacarpal is shorter and thicker. (See "Overview of metacarpal fractures", section on 'Anatomy'.) Anatomy of the hand showing the metacarpal bones between the wrist carpals and the phalanges. the part of a hand or forelimb, especially of its bony structure, included between the wrist, or carpus, and the fingers, or phalanges. The shaft is also set at a right angle to the plane of the other four metacarpals such that the axis of thumb flexion and extension is across the palm 1. ¹. proximal phalanx. The metacarpophalangeal joints (MCP) are a collection of condyloid joints that connect the metacarpus, or palm of the hand, to the fingers. The ECRB inserts into the lateral dorsal surface of the base of the third metacarpal bone, with a few fibres inserting into the medial dorsal surface of the second metacarpal bone, also to extend and abduct the wrist.. There are generally three phalanges (distal, middle, proximal) for each digit except the thumbs and large toes. The five metatarsal bones lack individual names and are numbered from the medial side of the foot: the first, second, third, fourth, and fifth metatarsal bone.The spaces between the metatarsal bones are called interosseous metatarsal spaces.. eight short bones that form the wrist or capus. metacarpal any one of the series of bones forming the palm of the hand or flat part of the forefoot in vertebrates. The hypothenal muscles of the thumb and the little finger are the largest muscles of the palm. Metacarpal definition: of or relating to the metacarpus | Meaning, pronunciation, translations and examples Metacarpal, any of several tubular bones between the wrist (carpal) bones and each of the forelimb digits in land vertebrates, corresponding to the metatarsal bones of the foot. distal phalanx. Metacarpals are long tubular bones with an intrinsic longitudinal arch and a collective transverse arch. 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