| cervical margin of tooth | The slightly constricted part of a tooth, between the crown and the root. Synonym: cervix dentis, cervical margin of tooth, cervical zone of tooth, collum dentis, dental neck. (05 Mar 2000) |
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| cervical myositis | See: posttraumatic neck syndrome. (05 Mar 2000) |
| cervical myospasm | See: posttraumatic neck syndrome. (05 Mar 2000) |
| cervical nerves | Nerves arising from the cervical segments of the spinal cord. Synonym: nervi cervicales. (05 Mar 2000) |
| cervical nystagmus | Nystagmus arising from a lesion of the proprioceptive mechanism of the neck. (05 Mar 2000) |
| cervical oesophageal web | <radiology> Post-cricoid web, M=F, 5% of UGI patients, anterior (antero-lateral), with or without dysphagia, Treatment: endoscopic disruption (lysis) see: oesophageal webs and rings (12 Dec 1998) |
| cervical oesophagus | The part of the oesophagus that goes through the neck. (09 Oct 1997) |
| cervical osteoarthritis | <pathology> Degenerative joint disease of the cervical (neck) spine. Results in a progressive erosion of the cartilage which line the weight bearing joints in the neck. Progressive bony calcification can lead to obstruction of exiting nerve roots resulting in neurological symptoms. (27 Sep 1997) |
| cervical part of internal carotid artery | <anatomy, artery> The unbranched portion located in the neck. Synonym: pars cervicalis arteriae carotidis internae. (05 Mar 2000) |
| cervical part of oesophagus | The part of the oesophagus located in the neck. See: oesophagus. Synonym: pars cervicalis oesophagi. (05 Mar 2000) |
| cervical part of spinal cord | The part of the spinal cord that consists of the eight cervical segments and gives rise to the first eight pairs of spinal nerves. Synonym: pars cervicalis medullae spinalis. (05 Mar 2000) |
| cervical part of thoracic duct | The portion of the thoracic duct above the first rib. Synonym: pars cervicalis ductus thoracici. (05 Mar 2000) |
| cervical pleura | The dome-shaped roof of the pleural cavity extending up through the superior aperture of the thorax. Synonym: cupula pleurae, cervical pleura. (05 Mar 2000) |
| cervical plexus | A network of nerve fibres originating in the upper four cervical spinal cord segments. The cervical plexus distributes cutaneous nerves to parts of the neck, shoulders, and back of the head, and motor fibres to muscles of the cervical spinal column, infrahyoid muscles, and the diaphragm. (12 Dec 1998) |
| cervical polyps | A benign growth projecting from the mucosa of the cervix. The cause is unknown but may be associated with local inflammation. They are more common in women over 20 who have had children. Some may cause bleeding and interfere with normal menstrual cycles. Diagnosis is by physical examination (pelvic exam). A PAP smear will be recommended since some cervical cancers may appear as a polyp. Treatment is surgical removal. (27 Sep 1997) |