Articulation


Articulation
As regards the skeleton, an articulation is a joint, an area where two bones are attached for the purpose of motion of body parts. An articulation or joint is usually formed of fibrous connective tissue and cartilage. Joints are grouped according to their motion: a ball and socket joint; a hinge joint; a condyloid joint (a joint that permits all forms of angular movement except axial rotation); a pivot joint; gliding joint; and a saddle joint. Joints can move in four and only four ways: Gliding — one bony surface glides on another without angular or rotatory movement; Angular — occurs only between long bones, increasing or decreasing the angle between the bones; Circumduction — occurs in joints composed of the head of a bone and an articular cavity, the long bone describing a series of circles, the whole forming a cone; and Rotation — a bone moves about a central axis without moving from this axis. The word "articulation" comes from a Latin root, "articulus" meaning a joint. The word "joint" also comes from the Latin, from "junctio" meaning a joining (as in a junction).
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1. SYN: joint. 2. A joining or connecting together loosely so as to allow motion between the parts. 3. Distinct connected speech or enunciation. 4. In dentistry, the contact relationship of the occlusal surfaces of the teeth during jaw movement. [see articulatio]
- arthrodial a. SYN: plane joint.
- atlanto- occipital a. SYN: atlanto- occipital joint.
- balanced a. SYN: balanced occlusion.
- bicondylar a. SYN: bicondylar joint.
- cartilaginous a. SYN: cartilaginous joint.
- compound a. SYN: complex joint.
- condylar a. SYN: condylar joint.
- confluent a. a tendency to run the syllables together in speech.
- cricothyroid a. SYN: cricothyroid joint.
- dental a. the contact relationship of the occlusal surfaces of the upper and lower teeth when moving into and away from centric occlusion. SYN: gliding occlusion.
- articulations of foot SYN: joints of foot, under joint.
- glenohumeral a. SYN: glenohumeral joint.
- articulations of hand SYN: joints of hand, under joint.
- humeral a. SYN: glenohumeral joint.
- humeroradial a. SYN: humeroradial joint.
- incudomalleolar a. SYN: incudomalleolar joint.
- interchondral articulations SYN: interchondral joints, under joint.
- intermetatarsal articulations SYN: intermetatarsal joints, under joint.
- interphalangeal articulations SYN: interphalangeal joints of hand, under joint.
- intertarsal articulations SYN: intertarsal joints, under joint.
- metacarpophalangeal articulations SYN: metacarpophalangeal joints, under joint.
- metatarsophalangeal articulations SYN: metatarsophalangeal joints, under joint.
- peg-and-socket a. SYN: gomphosis.
- a. of pisiform bone SYN: pisiform joint.
- radiocarpal a. SYN: wrist joint.
- sacroiliac a. SYN: sacroiliac joint.
- spheroid a. SYN: ball and socket joint.
- sternocostal articulations SYN: sternocostal joints, under joint.
- superior tibial a. SYN: tibiofibular joint.
- talocrural a. SYN: ankle joint.
- tibiofibular a. 1. SYN: tibiofibular joint. 2. SYN: tibiofibular syndesmosis.
- trochoid a. SYN: pivot joint.

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ar·tic·u·la·tion (.)är-.tik-yə-'lā-shən n
1) the action or manner in which the parts come together at a joint <a sketch showing the \articulation of the limbs>
2 a) a joint between bones or cartilages in the vertebrate skeleton that is immovable when the bones are directly united, slightly movable when they are united by an intervening substance, or more or less freely movable when the articular surfaces are covered with smooth cartilage and surrounded by a joint capsule see AMPHIARTHROSIS, DIARTHROSIS, SYNARTHROSIS
b) a movable joint between rigid parts of any animal (as between the segments of an insect appendage)
3 a) the act or manner of articulating
b) an articulated utterance or sound
4 a ) (1) the act of properly arranging artificial teeth (2) an arrangement of artificial teeth
b) OCCLUSION (2a)

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n.
(in anatomy) the point or type of contact between two bones. See joint.

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ar·tic·u·la·tion (ahr-tik″u-laґshən) [L. articulatio] 1. joint; see also articulatio. 2. a place of junction between two different parts or objects. 3. the forming of speech sounds. 4. in dentistry: (a) the contact relationship of the occlusal surfaces of the teeth while in action; (b) the arrangement of artificial teeth so as to accommodate the various positions of the mouth and to serve the purpose of the natural teeth that they are to replace.

Medical dictionary. 2011.

Synonyms:
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Look at other dictionaries:

  • articulation — [ artikylasjɔ̃ ] n. f. • 1478; lat. articulatio; cf. article I ♦ 1 ♦ Anat. Mode d union des os entre eux; ensemble des parties molles et dures par lesquelles s unissent deux ou plusieurs os voisins. ⇒ arthr(o) , jointure, ligament; aussi attache …   Encyclopédie Universelle

  • Articulation — may refer to: *Articulation (music) *Articulation (education) *Articulation (sociology) *Articulation (anatomy) *Articulation (architecture) *Articulation point in graph theoryIn speech: * Topic focus articulation * Articulation score * Place of… …   Wikipedia

  • articulation — ARTICULATION. sub. f. Jointure des os. L articulation des doigts. Les Anatomistes remarquent plusieurs sortes d articulations dans le corps humain. [b]f♛/b] On dit, en termes de Procédure, Articulation de faits, pour dire, Déduction de faits… …   Dictionnaire de l'Académie Française 1798

  • articulation — Articulation. subst. f. v. Jointure des os. L Articulation des doigts. les Anatomistes remarquent plusieurs sortes d articulation dans le corps humain. Articulation de faits, Deduction de faits article par article. Terme de Palais. Articulation… …   Dictionnaire de l'Académie française

  • Articulation — Ar*tic u*la tion, n. [Cf. F. articulation, fr. L. articulatio.] 1. (Anat.) A joint or juncture between bones in the skeleton. [1913 Webster] Note: Articulations may be immovable, when the bones are directly united (synarthrosis), or slightly… …   The Collaborative International Dictionary of English

  • articulation — (n.) early 15c., a joint or joining; setting of bones, from O.Fr. articulation, from M.L. articulationem (nom. articulatio) separation into joints, noun of action from pp. stem of articulare to separate (meat) into joints, also to utter… …   Etymology dictionary

  • articulation — [n1] clear, coherent speech delivery, diction, enunciation, expression, pronunciation, saying, speaking, statement, talking, utterance, verbalization, vocalization, voicing; concept 55 Ant. mispronunciation articulation [n2] connection coupling,… …   New thesaurus

  • Articulation — (v. lat.), 1) (Anat.), Gelenkverbindung, s. Gelenk; 2) (Bot.), Gelenk; 3) deutliches Aussprechen der Sylben u. Wörter in einer Rede; 4) richtiger Ausdruck aller Theile eines Gemäldes …   Pierer's Universal-Lexikon

  • Articulation — Articulation, Gelenk, die bewegliche Vereinigung zweier Knochen, welche durch die Apophysen, die Gelenkschmiere, die Gelenkbänder und Gelenkkapsel hergestellt wird. – In der Rhetorik das deutliche Aussprechen der Sylben und Wörter; in der… …   Herders Conversations-Lexikon

  • articulation — index conversation, expression (comment), speech Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • articulation — 1 integration, concatenation (see under INTEGRATE vb) Analogous words: organization, systematizing, methodizing (see corresponding verbs at ORDER): *system, organism, economy, scheme, complex 2 *joint, suture …   New Dictionary of Synonyms


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