Medical Term:
cardinal points
Definition:
- the four points in the pelvic inlet toward one of which the occiput of the baby is usually directed in case of head presentation: two sacroiliac articulations and the two iliopectineal eminences corresponding to the acetabula;
- six points of a compound optic system: the anterior focal point, the posterior focal point, the two principal points, and the two nodal points.
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Examples: glitazone, GI cocktail, etc.
