overriding (redirected from override)

overriding /over·rid·ing/ (o″ver-rīd´ing)

1. the slipping of either part of a fractured bone past the other.

2. extending beyond the usual position.

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o·ver·rid·ing (vr-rdng)

adj.

1. First in priority; more important than all others.

2. Of or relating to a fracture in which the broken ends of the bone slip past each other and are held in the overlap position by contracted muscles.

3. Of or relating to a fetal head that is palpable above the pubic symphysis because of the disproportion between the size of the fetal head and the size of the maternal pelvis.

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overriding

[-rī′ding]

Etymology: AS, ofer + ridan

1  n, the slipping of either part of a fractured bone past the other.

2  adj, extending beyond the usual position.

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overriding

1. the position of fracture fragments in which they overlap one another.

2. anomalous positioning of major blood vessels, e.g. aorta or pulmonary arteries.

3. a law or order which overrides, or takes precedence over, a law or order of a court or legislature of lower standing.

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overriding aorta

a congenital anomaly occurring in tetralogy of Fallot, in which the aorta is displaced to the right so that it appears to arise from both ventricles and straddles the ventricular septal defect.

overriding pulmonary artery

a congenital cardiac defect in which the pulmonary artery straddles a defective interventricular septum and the aorta originates in the right ventricle.