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It bridges the gap between the free ends of C-shaped rings of cartilage at the posterior border of the trachea, adjacent to the oesophagus. [1] [2] [3] This completes the ring of cartilages of the trachea. [3] The trachealis muscle also supports a thin cartilage on the inside of the trachea. [4] It is the only smooth muscle present in the ...
of or pertaining to the lips Greek χεῖλος (kheîlos), lip, mouth, beak angular cheilitis: chem(o)-chemistry, drug Greek χημεία (khēmeía) chemical, chemistry, chemotherapy: chir-, cheir-of or pertaining to the hand Greek χείρ, χειρο-(kheír, kheiro-), hand chiropractor: chlor-denoting a green color
[8] [9] [10] The most common form is combined cleft lip and palate and it accounts for approximately 50% of cases, whereas isolated cleft lip concerns 20% of the patients. [ 11 ] People with cleft lip and palate malformation tend to be less social and report lower self-esteem, anxiety and depression related to their facial malformation.
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.
The pain is usually located in the occipital or frontal regions and can be accompanied by other cardiac symptoms like chest pain, shortness of breath, or radiating arm pain. This specific headache type is considered a potential warning sign of cardiac distress and requires immediate medical attention to prevent potentially life-threatening ...
Hemifacial spasm (HFS) is a rare neuromuscular disease characterized by irregular, involuntary muscle contractions on one side (hemi-) of the face (-facial). [1] The facial muscles are controlled by the facial nerve (seventh cranial nerve), which originates at the brainstem and exits the skull below the ear where it separates into five main branches.
It may be triggered when the vocal cords or the area of the trachea below the vocal folds detects the entry of water, mucus, blood, or other substance. [1] It is most often reported 1) post-operatively after endotracheal extubation or 2) after sudden reflux of gastric contents. [2] [4] [1] It is common in drowning.
The mouth consists of two regions: the vestibule and the oral cavity proper. The vestibule is the area between the teeth, lips and cheeks. [3] The oral cavity is bounded at the sides and in front by the alveolar process (containing the teeth) and at the back by the isthmus of the fauces. Its roof is formed by the hard palate.