What is the small hole on the ball of tissue inside the vagina?

Jan 25, 2025 Source: Cainiu Health

Dr. Zhang Lu

Introduction

Under normal circumstances, a round or oval-shaped structure with a small opening that feels relatively firm may be the cervix. During a vaginal examination, whether with fingers or gynecological instruments, at a certain depth within the vagina, one can typically feel this solid, round or oval structure, which is usually the cervix. Its position is relatively fixed and does not move significantly with body movements.

　　Under normal circumstances, a fleshy ball with a small opening inside the vagina might be the cervix. The detailed explanation is as follows:

　　The cervix is the part connecting the uterus and the vagina, typically located deep within the vagina. The cervix is cylindrical in shape and relatively firm, with a small opening at its center known as the cervical os. The appearance of this cervical os varies under different physiological conditions. For example, during non-pregnancy periods, the cervical os is relatively small and closed; however, during pregnancy, as the fetus develops and approaches delivery, the cervical os gradually softens and dilates in preparation for the baby's birth.

　　The cervix serves as the necessary passageway for sperm to enter the uterus, providing a crucial route for conception. The mucous secreted by the cervix helps regulate the acidity and alkalinity of the vaginal environment, maintaining conditions suitable for sperm survival and movement. Additionally, the cervix has certain immune functions, helping to resist invasion by external pathogens and protecting the health of both the uterus and vagina.

　　If you are uncertain or concerned about this structure inside the vagina, it is recommended to seek timely medical attention for a gynecological examination. A qualified physician can provide an accurate assessment and determine whether it is normal.

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