The Mastoid Sinus Is in the ____________________ Bone and Opens

question 170

Short Answer

The mastoid sinus is in the ____________________ bone and opens into the ____________________ cavity.

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Definitions:

Prenatal Development

The developmental journey from fertilization to delivery inside the uterus.

Germinal

Relating to the initial stage of development after fertilization, in which cell division and implantation in the uterus occur.

Embryonic

Pertaining to the initial stages of development after fertilization and before fetal stage in organisms.

Fetal Periods

Stages of human development in the womb, from conception to birth, marked by rapid growth and organ formation.