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22 Cards in this Set
- Front
- Back
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Position and syntopy of thenasal cavity |
Neighbors with the frontal,orbital, buccal and oral regions ·
Lateral side: ethmoidalcells, maxillary sinus · Superiorly: anteriorcranial fossa, sphenoidal sinus · Posteriorly: nasopharynx· Inferiorly: oralcavity |
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anatomical parts of the nasal cavity |
1. Nasus externus 2. Cartilagines nasals 3. Vestibulum nasi 4. Cavitas nasi propria 5. Septum nasi 6. Roof of nasal cavity 7. Floor of nasal cavity |
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Nasus externus{f~ |
By the nasal bones and thecartilages (covered by thick skin) ·
Radix nasi- isbetween the orbits · Dorsum nasi- dorsalpart of the nose · Apex nasi- the tipof the nose· Nares- the nostrils,the inlets to the nasal cavity Alae nasi- thewings, lateral parts |
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Cartilagines nasalsts_inclzf~ |
Partly fused with the nasalbones and partly produce the dorsum Caudally: neighboringwith the spetal parts of the major alar cartilages Posteriorly:projecting as pro. phenoidalis/posterior between the vomer andthe lamina perpendicularis ethmoidalis |
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· Cartilago nasi lateralis:g |
1. Paired triangularcartilage forming the upper parts of the alae nasi ig~dA |
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· Cartilago alaris major:g |
Paired horseshoeshaped cartilage forming the lowerpart of the alae nasi, (by crus laterale) forming the lowercartilaginous part of the nasal septum by (crus mediale) the angles of bothcartilages produce the apex nasi |
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· cartilago alaris minor, (by <^f~ |
2-4 tiny cartilagesbetween the crus lateral (of major alar) and the pro. Frontalis of the maxilla he Sf~w |
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vestibulum nasi |
From the nostrils to theridge by the lower border of the lateral nasal cartilage (limen nasi) Covered by thick skin (vibrissae)· Projecting anteriorly tothe recessus apicis nasi |
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cavitas nasi propria |
1. meatus nasi inferior: lacrimal secreation from the ductus nasolacrimal 2. meatus nasi medius below the concha nasi medius connects with sinus maxilla and sinus frontalis 3. meatus nasi superior above the concha nasi medius expended posteriorly to the recessus sphenoethmoidalis in the recessus the sinus sphenoidalis+ posterior ethmoidal cells are drained |
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roof of nasal cavity |
laterl nasal cartilages nasal bones pars nasalis frontalis lamina cribrosa corpus sphenoid |
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floor nasal cavity |
pro. palatinus maxxilla lamina horizontalis ossis palatine |
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height of the larynx |
C4-C6
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position |
cranially: laryngopharynx caudally: trachea anteriorly covered: m. infrahyoidei laterally: a. carotid communis, v. jugularis internal, n. vagus recessus piriformis: bulges into the hypopharnx posteriorly |
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cartilages of the larynx |
1. thyroid 2. cricoid 3. arytenoid 4. epiglottis 5. corniculata 6. cuneiformis |
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articulation of the laryngs |
1. art. cricoarytenoidea 2. art. cricothyroidea |
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ligaments of the larynx |
1. mem. thyroidea 2. lig. hyoepiglotticum 3. lig. thyroepiglotticum 4. mem. fibroelastica laryngix a. mem. quadratus b. conus elasticus |
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muscles of the epiglottis |
1. m. thyroepiglotticus 2. m. arytepiglotticus |
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muscles moving the cricoarytenoid joint |
1. m. cricoarytenoideus posterior (abductor of the arytenoid) 2. m. cricoartenoideus lateralis (adductor) 3. m. arytenoideus obliquus (Adductor) 4. m. arytenoideus transversus (adductor) |
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muscles moving the cricothyroid joint (tension of the vocal cords) |
1. m. cricothyroideus (tenses the vocal cords) 2. m. thyroarytenoideus (relaxion the vocal cords) 3. m. vocalis (relaxing the cords) |
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the position of the cartilago arytenoid during phonation position |
1. adduction of the vocal cords (closed) |
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the position of the cartilago arytenoid during respiration position |
abduction (open) |
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paranasal sinuses |
1. sinus maxillaris 2. sinus frontalis 3. sinus ethmoidalis 4. sinus sphenoidalis |
