cervix vs. uterus

noun

Anatomy.
plural cervixes, cervices
  1. the neck, especially the back part.
  2. any necklike part, especially the constricted lower end of the uterus.


noun

Anatomy, Zoology.
plural uteri uteruses.
  1. the enlarged, muscular, expandable portion of the oviduct in which the fertilized ovum implants and develops or rests during prenatal development; the womb of certain mammals.