dorsal digital expansion

dorsal digital expansion
extensor expansion a triangular aponeurotic extension of the digital extensor tendon on the dorsum of the proximal phalanx of each digit, to which the tendons of the lumbrical and interosseous muscles are also attached; it forms a movable hood around the metacarpophalangeal joint. Called also extensor aponeurosis or hood.

Medical dictionary. 2011.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • expansion — 1. An increase in size as of chest or lungs. 2. The spreading out of any structure, as a tendon. 3. An expanse; a wide area. [L. ex pando, pp. pansus, to spread out] clonal e. (klo′nal) production of daughter cells all arising originally from a… …   Medical dictionary

  • Extensor expansion — Infobox Anatomy Name = Extensor expansion Latin = GraySubject = GrayPage = Caption = Tendons of forefinger and vincula tendina. (Extensor expansion not labeled, but region is visible.) Caption2 = MapPos = MapCaption = Precursor = System = Artery …   Wikipedia

  • List of muscles of the human body — Skeletal muscles homo sapiens Muscles of the human body: Overview Head  |  Neck  |&# …   Wikipedia

  • Lumbricals of the hand — Muscle infobox Name = PAGENAME Latin = musculi lumbricales manus GraySubject = 126 GrayPage = 464 Caption = The muscles of the left hand. Palmar surface. (1st lumbricalis labeled at bottom right of muscular group.) Origin = flexor digitorum… …   Wikipedia

  • hood — 1. The anterior part of the integument of soft ticks (family Argasidae) that extends over the capitulum and forms the roof of the camerostome. 2. An expanded, covering structure that resembles the h. of robe or cloak in shape or funct …   Medical dictionary

  • sheath — 1. Any enveloping structure, such as the membranous covering of a muscle, nerve, or blood vessel. Any sheathlike structure. SYN: vagina (1). 2. The prepuce of male animals, especially of the horse. 3. A specially designed tu …   Medical dictionary

  • arch — Any structure resembling a bent bow or an a.; an arc. In anatomy, any vaulted or archlike structure. See arcus. SYN: arcus [TA]. [thru O. Fr. fr. L. arcus, bow] abdominothoracic a. a bell shaped line defined by the lower end of the sternum and… …   Medical dictionary

  • Hand — For other uses, see Hand (disambiguation). Hand Palmar and Dorsal aspects of human left hand Latin manus Vein …   Wikipedia

  • Jaén — Para otros usos de este término, véase Jaén (desambiguación). Jaén …   Wikipedia Español

  • Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”