Trochlea
noun, plural trochleae
[trok-lee-ee] /ˈtrɒk liˌi/ (Show IPA), trochleas. Anatomy.
1.
a pulleylike structure or arrangement of parts.
noun (pl) -leae (-lɪˌiː)
1.
any bony or cartilaginous part with a grooved surface over which a bone, tendon, etc, may slide or articulate
trochlea troch·le·a (trŏk’lē-ə)
n. pl. troch·le·ae (-lē-ē’)
An anatomical structure that resembles a pulley, especially the part of the distal end of the humerus that articulates with the ulna.
A fibrous loop in the eye socket near the nasal process of the frontal bone, through which the tendon of the superior oblique muscle of the eye passes.
Read Also:
- Trochlear
adjective 1. Anatomy. of, relating to, or connected with a trochlea. 2. Physiology, Anatomy. functioning like a pulley; pulleylike. 3. Botany. circular and contracted in the middle so as to resemble a pulley. noun 4. trochlear nerve. trochlear troch·le·ar (trŏk’lē-ər) adj. Of, resembling, or situated near a trochlea. Of or relating to the trochlear nerve.
- Trochlear-nerve
noun, Anatomy. 1. either one of the fourth pair of cranial nerves, consisting of motor fibers that innervate the superior oblique muscle of the upper part of the eyeball. trochlear nerve /ˈtrɒklɪə/ noun 1. either one of the fourth pair of cranial nerves, which supply the superior oblique muscle of the eye trochlear nerve n. […]
- Trochlear spine
trochlear spine n. A spicule of bone arising from the edge of the trochlear pit of the eye, giving attachment to the pulley of the superior oblique muscle of the eyeball.
- Trochoid
noun 1. Geometry. a curve traced by a point on a radius or an extension of the radius of a circle that rolls, without slipping, on a curve, another circle, or a straight line. Equation: x = aθ − b sin θ, y = a − b cos θ. adjective 2. rotating on an axis, […]
- Trochoid joint
trochoid joint n. A joint in which a section of a cylinder of one bone fits into a corresponding cavity on the other, as in the proximal articulation between the radius and ulna. Also called pivot joint, rotary joint.