What is the name of the lower third of the uterus?

Prepare for the CDC 4N051 Aerospace Medical Exam. Explore vital concepts with flashcards and multiple-choice questions, each providing hints and explanations. Ace your exam!

The lower third of the uterus is known as the cervix. This is the portion that connects the main body of the uterus to the vaginal canal. The cervix plays a crucial role in various physiological processes, including menstruation, childbirth, and the pathway for sperm to enter the uterus.

During pregnancy, the cervix acts as a barrier to protect the developing fetus and holds the fetus in place until labor begins. It also dilates during childbirth to allow for the passage of the baby. Understanding the anatomy and functions of the cervix is vital for healthcare professionals, especially those working in fields related to obstetrics and gynecology.

In contrast, the endometrium is the innermost lining of the uterus, where implantation of a fertilized egg occurs. The myometrium is the muscular layer of the uterus responsible for contractions during labor. The uterine cavity refers to the hollow space within the uterus, where fetal development occurs. Each of these structures has a distinct function and location within the female reproductive system, making it essential to accurately identify the cervix as the correct answer for this question.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy