Medical Definition of Fourth parallel pelvic plane

1. The lower opening of the true pelvis, bounded anteriorly by the pubic arch, laterally by the rami of the ischium and the sacrotuberous ligament on either side, and posteriorly by these ligaments and the tip of the coccyx. Synonym: apertura pelvis inferior, apertura pelvis minoris, fourth parallel pelvic plane, pelvic outlet, pelvic plane of outlet, plane of outlet. (05 Mar 2000)

Lexicographical Neighbors of Fourth Parallel Pelvic Plane

fourth dimension
fourth disease
fourth down
fourth estate
fourth finger
fourth freedom rights
fourth gear
fourth grade
fourth grades
fourth heart sound
fourth innings
fourth lumbar nerve
fourth normal form
fourth official
fourth officials
fourth part
fourth person
fourth power
fourth slip
fourth slips
fourth stage of labour
fourth stomach
fourth turbinated bone
fourth ventricle
fourth wall
fourthly
fourthness
fourths

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