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cervix vs. uterus

[sur-viks] / ˈsɜr vɪks /

noun

Anatomy.

plural

cervixes, cervices
  1. the neck, especially the back part.

  2. any necklike part, especially the constricted lower end of the uterus.

[yoo-ter-uhs] / ˈyu tər əs /

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.