Question

question 11
5 pts
name the tubular portion of the uterus that extends downward into the upper part of the vagina.

ostium uteri
cervix
endometrium
fundus

Explanation:

Identify the anatomical structure described

The question asks for the tubular portion of the uterus that extends downward into the upper part of the vagina.

Evaluate the given options

• Ostium uteri: The opening of the cervix into the vagina (external os) or into the uterine cavity (internal os), rather than the entire tubular portion itself.
• Cervix: The lower, narrow, tubular portion of the uterus that projects into the upper part of the vagina.
• Endometrium: The inner mucosal lining of the uterine cavity.
• Fundus: The broad, curved upper area of the uterus above the entry points of the fallopian tubes.

Answer:

• Ostium uteri
• Cervix (Correct answer)
• Endometrium
• Fundus