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The cervical canal connects the interior of the vagina and the cavity of the body of uterus. The cervix is part of the female reproductive system . Around 2–3 centimetres (0.8–1.2 in) in length, [ 3 ] it is the lower narrower part of the uterus continuous above with the broader upper part—or body—of the uterus. [ 4 ]
The cervical canal is generally lined by "endocervical mucosa" which consists of a single layer of mucinous columnar epithelium. However, after menopause, the functional squamocolumnar junction moves into the cervical canal, and hence the distal part of the cervical canal may be lined by stratified squamous epithelium (conforming to a "type 3 transformation zone").
A cervical pregnancy is an ectopic pregnancy that has implanted in the uterine endocervix. [2] Such a pregnancy typically aborts within the first trimester , however, if it is implanted closer to the uterine cavity – a so-called cervico-isthmic pregnancy – it may continue longer. [ 3 ]
The top section of the spine is the cervical section, which contains nerves that innervate muscles of the head, neck and thoracic cavity, as well as transmit sensory information to the CNS. The cervical spine section contains seven vertebrae, C-1 through C-7, and eight nerve pairs, C-1 through C-8.
Additionally, hematometra may develop as a complication of uterine or cervical surgery such as endometrial ablation, where scar tissue in the endometrium can "wall off" sections of endometrial glands and stroma causing blood to accumulate in the uterine cavity. [1] It can also develop after abortion, [4] as well as after childbirth.
The term cervical cap has been used to refer to a number of barrier contraceptives, including the Prentif, Dumas, Vimule, and Oves devices. [1] In the United States, Prentif was the only brand available for several decades (Prentif was withdrawn from the U.S. market in 2005). [1]
The cervix is located in the lower part of the uterus and connects the uterine cavity to the vagina. The cervix consists of two parts; the upper part lies in the pelvic/abdominal cavity and the lower part is intravaginal. [1] Cervical effacement or cervical ripening refers to the thinning and
This is called the pleural cavity (also pleural space). [2] It contains a tiny amount of serous fluid (pleural fluid) secreted by the pleurae, at an average pressure that is below the atmospheric pressure under healthy conditions. The two lungs, each bounded by a two-layered pleural sac, almost fill the thoracic cavity.