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Nasal strips, designed for humans, in varying colors and sizes. A nasal strip, external nasal dilator strip or nasal dilator strip is a type of adhesive bandage with embedded plastic ribs or splints that is applied across the bridge of the nose and sides of the nostrils, to assist in keeping the airway open.
•Thudichum's nasal speculum-do-; short blades ( uses: anterior rhinoscopy - to see the Little's area, ant-inferior part of nasal septum, anterior part of inferior and middle turbinate and meatus, as well as any pathological lesion in the area; also used in certain nasal operations ) •St. Clair Thompson's long bladed nasal speculum
The dilator naris muscle (or alae nasi muscle) is a part of the nasalis muscle. It has an anterior and a posterior part. It has origins from the nasal notch of the maxilla and the major alar cartilage, and a single insertion near the margin of the nostril. It controls nostril width, including changes during breathing.
A 16th-century lithotomy dilator, used to expand the urethra for extraction of urinary stones. Dilator or dilatator is a medical term with a number of uses, including: . A surgical instrument or medical implement used to induce dilation, that is, to expand an opening or passage such as the cervix (see cervical dilator), urethra, esophagus, or vaginal introitus.
The alar part (dilator naris muscle) arises from the maxilla over the lateral incisor and inserts into the greater alar cartilage. Its medial fibres tend to blend with the depressor septi nasi muscle , and has been described as part of that muscle.
Most of the nasal cavity and paranasal sinuses is lined with respiratory epithelium as nasal mucosa. In the roof of each cavity is an area of specialised olfactory epithelium . This region is about 5 cm 2 (0.78 sq in), covering the superior concha, the cribriform plate, and the nasal septum.
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