midpelvis
nounEtymology From mid- + pelvis.
1
Anatomy, Medicine, Sciences A pelvic plane defined by the ischial spines, the lower edge of the pubic symphysis, and the boundary of the fourth and fifth sacral vertebra.
- At the midpelvis, transverse narrowing may result either from convergent sidewalls or prominent spines or both.1963 May 1, David N. Danforth, Averon H. Ellis, “Midforceps delivery—a vanishing art?”, in American Journal of Obstetrics and Gynecology, volume 86, number 1, →DOI, page 32:
- Related terms
- midpelvic