trochlea


trochlea
1. A structure serving as a pulley. 2. A smooth articular surface of bone upon which another glides. [L. pulley, fr. G. trochileia, a pulley, fr. trecho, to run]
- t. femoris SYN: patellar surface of femur.
- fibular t. of calcaneus [TA] a projection from the lateral side of the calcaneus between the tendons of the peroneus longus and brevis. SYN: t. fibularis calcanei [TA], peroneal t. of calcaneus, t. peronealis, peroneal pulley, processus trochlearis, spina peronealis, trochlear process.
- t. fibularis calcanei [TA] SYN: fibular t. of calcaneus.
- t. humeri [TA] SYN: t. of humerus.
- t. of humerus [TA] the grooved surface at the lower end of the humerus articulating with the trochlear notch of the ulna. SYN: t. humeri [TA], pulley of humerus.
- muscular t. [TA] a fibrous loop through which the tendon of a muscle passes; the intermediate tendon of the digastric and omohyoid muscles pass through such a t.. SYN: t. muscularis [TA], muscular pulley.
- t. muscularis [TA] SYN: muscular t..
- t. musculi obliqui superioris bulbi SYN: t. of superior oblique (muscle).
- t. peronealis fibular t. of calcaneus.
- trochleae of phalanges of hand and foot palmar or plantar aspect of the intercondylar groove of the heads of the phalanges that accommodate the long flexor tendons. SYN: t. phalangis (manus et pedis).
- t. phalangis (manus et pedis) SYN: trochleae of phalanges of hand and foot.
- t. of superior oblique (muscle) a fibrous loop in the orbit, near the nasal process of the frontal bone, through which passes the tendon of the superior oblique muscle of the eye. SYN: t. musculi obliqui superioris bulbi.
- t. tali [TA] SYN: t. of the talus.
- t. of the talus [TA] the rounded superior articular surface of the talus that articulates with the distal ends of the tibia and fibula. SYN: t. tali [TA], pulley of talus.

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troch·lea 'träk-lē-ə n an anatomical structure resembling a pulley: as
a) the articular surface on the medial condyle of the humerus that articulates with the ulna
b) the fibrous ring in the inner upper part of the orbit through which the tendon of the superior oblique muscle of the eye passes

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n.
an anatomical part having the structure or function of a pulley; for example the groove at the lower end of the humerus or the fibrocartilaginous ring in the frontal bone (where it forms part of the orbit), through which the tendon of the superior oblique eye muscle passes.
trochlear adj.

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troch·lea (trokґle-ə) pl. trochґleae [L., from Gr. trochilia pulley] a pulley-shaped part or structure.

Medical dictionary. 2011.

Look at other dictionaries:

  • Trochlea — (lat. für „Rolle“, „Winde“, „Flaschenzug“) ist der Name mehrerer anatomischer Strukturen: Trochlea musculi obliqui superioris Knorpelring an der Augenhöhle, siehe Rollknorpel Trochlea humeri, das walzenförmige untere Ende des Oberarmknochens… …   Deutsch Wikipedia

  • Trochlea — Troch le*a, n. [L., a case or sheaf containing one or more pulleys, Gr. ?. See {Trochilics}.] 1. (Mach.) A pulley. [Obs.] [1913 Webster] 2. (Anat.) A pulley, or a structure resembling a pulley; as, the trochlea, or pulleylike end, of the humerus …   The Collaborative International Dictionary of English

  • Trochlea — (Latin for pulley) is a term in anatomy. It refers to a grooved structure reminiscent of a pulley s wheel.Most commonly, trochleae bear the articular surface of saddle and other joints: * Trochlea of humerus * Trochlear process of the Calcaneus * …   Wikipedia

  • Trochlĕa — (lat.), 1) Rolle; 2) rollenförmige. Erhabenheit, Endstück eines Knochens, welches Ähnlichkeit mit einer Rolle hat. T. der Orbita (Trochlea orbitalis), an der Trochlearspitze, od. wenn diese fehlt, in einer kleinen Grube befestigter, eckiger… …   Pierer's Universal-Lexikon

  • TROCHLEA — Graece τροχαλία, ad hauriendam e puteis aquam adhibita, occurit apud Pollucem, Εἰ δὲ καὶ ἐκ φρεάτων ἢ λάκκων τὸ ὕδωρ ἀπαντλεῖν δέοιτ᾿ ἂν, οἶμαι οκευῶν ἀντλητῆρες, ἀντλίας ἱμονίας, κάλου, χοινίου, κάδου, τροχαλίας: poliam vulgo Galli vocant, de… …   Hofmann J. Lexicon universale

  • trochlea — [träk′lē ə] n. pl. trochleae [träk′lē ē΄] [ModL < L, pulley block < Gr trochilia < trochos, a wheel: see TROCHE] Anat. a pulley shaped part or structure, as the lower part of the humerus which articulates with a corresponding part of the …   English World dictionary

  • Trochlea — Trọch|lea [aus lat. trochlea, Gen.: trochleae = Flaschenzug, Winde (von gr. τροχαλια = Walze; Winde)] w; , ...leae: „Rolle“, Bezeichnung für verschiedene anatomische Strukturen, insbesondere an Knochen oder Muskeln, von walzenförmiger Gestalt,… …   Das Wörterbuch medizinischer Fachausdrücke

  • Trochlea — Trọchlea   [lateinisch »Flaschenzug«, »Winde«, von griechisch trochalía »Walze«, »Winde«] die, /...leae, Anatomie: Bezeichnung für verschiedene walzenförmige Strukturen, z. B. Trochlea humeri (Gelenkwalze am distalen Ende des Oberarmknochens für …   Universal-Lexikon

  • Trochlea — fibrozinė sausgyslės makštis statusas T sritis jutimo organai atitikmenys: lot. Trochlea; Vagina fibrosa tendinis ryšiai: platesnis terminas – kvadratinis trečiojo voko raumuo …   Paukščių anatomijos terminai

  • Trochlea — skridinys statusas T sritis gyvūnų anatomija, gyvūnų morfologija atitikmenys: lot. Trochlea ryšiai: platesnis terminas – viršutinis įstrižinis raumuo …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

  • trochlea — noun Etymology: New Latin, from Latin, block of pulleys, from Greek trochileia, from trochilos sheave, from trochos wheel Date: circa 1693 an anatomical structure that is held to resemble a pulley; especially the articular surface on the medial… …   New Collegiate Dictionary


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