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6 Images Of Your Cervix You Need To See

Despite many women not thinking about their cervix until they either book a pap smear or prepare for pregnancy, the cervix is responsible for some impressive functions within the female body... For too long, the vulva, clitoris and vaginal canal have received all the attention... Consider the cervix to be the gatekeeper to the uterus. The bouncer to the internal lady parts, if you will. While there are many important things that can enter the cervix (tampons, sex toys, fingers, and penises are some of the things that keep the cervix busy), nothing should pass through to the uterus. So, the cervix has a 24/7 job of protecting the uterus and preventing unwanted germs from getting through.

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Articles of Interest

Anatomy and Histology of the Cervix

Although the cervix was recognized as an organ entity as early as 4500 B.C. during the third Egyptian Dynasty, it was Soranus, in the first century A.D., who gave the first accurate description of the cervix uteri as a separate portion of the uterus.48 The cervix (term taken from the Latin, meaning “neck”) is the most inferior portion of the uterus protruding into the upper vagina.

Anatomy of the uterine cervix and the transformation zone

The cervix is a fibromuscular organ that links the uterine cavity to the vagina. Although it is described as being cylindrical in shape, the anterior and posterior walls are more often ordinarily apposed. The cervix is approximately 4 cm in length and 3 cm in diameter.

Cervix Function and Anatomy

It's helpful to know how your cervix functions, as it plays an important role in conception, menstruation, and childbirth.

Cervix-on-a-Chip to Accelerate Research on Women’s Health

In an important step for research on women’s reproductive health, scientists have developed a cervix-on-a-chip, a lab model that replicates the structure and function of the human cervix. The team, led by researchers at Harvard Medical School, Boston Children’s Hospital, the Wyss Institute for Biologically Inspired Engineering at Harvard University, and the University of California, Davis, used microfluidics to build a model of the cervix that captures the complex interactions between different cervical cell types.

Everything You Need to Know About Your Cervix

Unlike other parts of the female reproductive system like the vagina, ovaries, and labia, the cervix doesn’t get much attention... The cervix acts as the door to the uterus which sperm can travel through to fertilize eggs. When your body is not carrying a child, your cervix helps keep unhealthy things out of your body, like tampons and bath water. When you’re pregnant, the cervix helps keep the baby in place until it’s fully developed. "The cervix has many functions," Dr. Root says. "Probably the most important is its role in childbirth. The cervix is needed to prevent preterm labor and cue the body to dilate at the right time and enable a child to be born vaginally."

How Does the Cervix Function in Reproductive Health?

This part of the female reproductive system plays multiple roles in supporting your reproductive health. One of the functions of the cervix is to allow fluid to enter and exit the uterus. Your cervix acts like a door to prevent unwanted objects from entering the uterus and allow some things to pass through, such as sperm. Your cervix also produces cervical mucus, which plays an important role in conception.

The cervix

The cervix is about 3 to 4 cm long. It is made up mostly of connective tissue and muscle. It is divided into 2 main parts: The endocervix is the inner part of the cervix lining the canal leading into the uterus. The ectocervix( exocervix) is the outer part of the cervix. It is rounded and lip-like and sticks out into the vagina.

The cervix-specific proteome

The cervix measures around 2–3 centimeters in length. It is a tubular pathway between the vagina and the uterine body with regulated passage. The cervical glands produce mucus that changes during the menstrual cycle to act as a barrier or a transport medium to sperms dependent on the viscosity of the mucus. The mucin also prevents bacteria from reaching the uterine cavity. During pregnancy, a cervical mucus plug is formed that seals the cervical canal. At the time of labor, the normally narrow cervix is dilated to approximately 10 cm, by softening and increasing the elasticity in the cervical stroma. Transcriptome analysis shows that 72% (n=14484) of all human proteins (n=20162) are expressed in the cervix and 176 of these genes show an elevated expression in the cervix compared to other tissue types.

The human cervix: Comprehensive review of innervation and clinical significance

Detailed knowledge regarding the innervation and histology of the human cervix is crucial given the surgical removal of this tissue for conditions such as cervical dysplasia. Recent evidence implicates the cervix in the sexual response, making it pertinent to characterize this region to elucidate its role. Despite this, literature describing the overall innervation of the cervix from anatomical and histological perspectives is lacking.

The role of the cervix in fertility: is it time for a reappraisal?

The ongoing mystery of the exact mechanism of the sperm–cervical mucus interaction is reviewed and the key players that may unlock this mystery in the future are discussed.

Resources

Radiopedia

The cervix or uterine cervix is the lower constricted segment of the uterus providing the passage between the uterus proper and the vagina. The cervix is somewhat conical in shape, with its truncated apex directed posteriorly and inferiorly. The inferior aspect of the cervix protrudes into the vaginal vault which surrounds it.

Teachme Anatomy

The cervix performs two main functions: It facilitates the passage of sperm into the uterine cavity. This is achieved via dilation of the external and internal os. Maintains sterility of the upper female reproductive tract. The cervix, and all structures superior to it, are sterile. This ultimately protects the uterine cavity and the upper genital tract by preventing bacterial invasion. This environment is maintained by the frequent shedding of the endometrium, thick cervical mucus and a narrow external os.