trochoid joint — noun see trochoid I, 2 … Useful english dictionary
trochoid joint — pivot joint a form of diarthrosis (freely movable joint) in which a bone moves round a central axis, allowing rotational movement. An example is the joint between the atlas and axis vertebrae … The new mediacal dictionary
trochoid — [ trəʊkɔɪd] adjective 1》 Anatomy denoting a joint in which one element rotates on its own axis (e.g. the atlas vertebra). 2》 Geometry denoting a curve traced by a point on a radius of a circle rotating along a straight line or another circle. 3》… … English new terms dictionary
trochoid — adj. & n. adj. 1 Anat. rotating on its own axis. 2 Geom. (of a curve) traced by a point on a radius of a circle rotating along a straight line or another circle. n. a trochoid joint or curve. Derivatives: trochoidal adj. Etymology: Gk trokhoeides … Useful english dictionary
Trochoid — Tro choid, a. 1. (Anat.) Admitting of rotation on an axis; sometimes applied to a pivot joint like that between the atlas and axis in the vertebral column. [1913 Webster] 2. (Zo[ o]l.) Top shaped; having a flat base and conical spire; said of… … The Collaborative International Dictionary of English
trochoid — [trō′koid΄] n. [< Gr trochoeides, round like a wheel < trochos (see TROCHE) + eidos, OID] Geom. any cycloid adj. having a wheel like rotary motion on an axis, as a joint: also trochoidal … English World dictionary
Сустав Цилиндрический (Trochoid Joint, Pivot Joint) — вид диартроза (свободно движущегося сустава); в этом суставе кости совершают вращательное движение вокруг центральной оси. Примером такого сустава является срединный атлантоосевой сустав, образованный ямкой дуги атланта и осью второго шейного… … Медицинские термины
Joint — A joint is the area where two bones are attached for the purpose of motion of body parts. A joint is usually formed of fibrous connective tissue and cartilage. An articulation or an arthrosis is the same as a joint. Joints are grouped according… … Medical dictionary
joint — /joynt/, n. 1. the place at which two things, or separate parts of one thing, are joined or united, either rigidly or in such a way as to permit motion; juncture. 2. a connection between pieces of wood, metal, or the like, often reinforced with… … Universalium
trochoid — Revolving; rotating; denoting a revolving or wheel like articulation. [G. trochodes, fr. trochos, wheel, + eidos, resemblance] * * * tro·choid trō .kȯid n PIVOT JOINT * * * tro·choid (troґkoid) [Gr. trochos wheel + oid] resembling a pivot or a… … Medical dictionary