all the nerve cells and nervous tissues in an organism, including, in the vertebrates, the brain, spinal cord, ganglia, nerves, and nerve centers: it coordinates and controls responses to stimuli and conditions behavior and consciousness.
Cervical polyps are small, elongated tumors that grow on the cervix. The cervix is the narrow canal at the bottom of the uterus that extends into the vagina. The cervix connects the uterine cavity and the upper portion of the vagina. It acts as the passageway for sperm to fertilize an egg, which could result in pregnancy. During labor, the cervix becomes thinner and wider.
The Cervix In Female Reproductive Health. Women's Health. The cervix is the lower third portion of the uterus which forms the neck of the uterus and opens into the vagina which is also called the endocervical canal. The narrow opening of the cervix is called the os. The cervical os allows menstrual blood to flow out from the vagina during menstruation.