Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2
Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2
DISEASES OF LARYNXAND TRACHEASECTION VEEmzzza■MH56Anatomy and Physiology of larynx57laryngotracheal Trauma58Acute and Chronic Inflammations of Larynx5 Ebook Dhingra diseases of ear, nose and throat (6/E): Part 259Congenital Lesions of Larynx and Stridor60Laryngeal Paralysis61Benign Tumours of larynx62Cancer Larynx63Voice and Speech Disorders64Tracheostomy and Other Procedures for Airway Management65Foreign Bodies of Air Passages281https: //khoth u vien .com56Anatomy and Physiology of LarynxANATOMY OF LARYN Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2XThe larynx lies in front of the hypopharynx opposite the third to sixth cervical vertebrae. It moves vertically and in anteroposterior direction duriEbook Dhingra diseases of ear, nose and throat (6/E): Part 2
ng swallowing and phonation. It can also be passively moved from side to side producing a characteristic grating sensation called laryngral crepitus. DISEASES OF LARYNXAND TRACHEASECTION VEEmzzza■MH56Anatomy and Physiology of larynx57laryngotracheal Trauma58Acute and Chronic Inflammations of Larynx5 Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2Thyroid, cricoid and epiglottis.Paired: Arytenoid, corniculate and cuneiform.1Thyroid. k is die largest of all (Figure 56.1). Its two alae meet anteriorly forming an angle of 90" in males and 120 in females. Vocal cords arc attached to the middle ot thyroid angle. Most of laryngeal foreign bodies ar Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2e arrested above the vocal cords, i.e. above the middle of thyroid cartilage anti an effective airway can be protided by piercing the cricothyroid memEbook Dhingra diseases of ear, nose and throat (6/E): Part 2
brane—a procedure called cncothyrolomy.2Cricoid. It is the only cartilage forming a complete ring. Ils posterior part is expanded to form a lamina whiDISEASES OF LARYNXAND TRACHEASECTION VEEmzzza■MH56Anatomy and Physiology of larynx57laryngotracheal Trauma58Acute and Chronic Inflammations of Larynx5 Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2s attached to the body of hyoid bone by hyoepigiottic ligament, which divides it into suprahyoid and infrahyoid epiglottis. A stalk-like process of epiglottis (petiole) attaches the epiglottis to the thyroid angle just above the attachment of vocal cords. Anterior surface of epiglottis is separated Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2from thyrohyoid membrane and up|M-r [Xirt of thyroid cartilage by a potential space filled with fat—the pre-epiglotlic space. The space may lx* invadeEbook Dhingra diseases of ear, nose and throat (6/E): Part 2
d in carcinoma of supraglottic larynx or the base of tongue.Posterior surface of epiglottis is concavoconvex—concave above but convex below forming a DISEASES OF LARYNXAND TRACHEASECTION VEEmzzza■MH56Anatomy and Physiology of larynx57laryngotracheal Trauma58Acute and Chronic Inflammations of Larynx5 Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2hows several pits which lodge the mucous glands. It may also show perforations providing direct communication between the laryngeal surface of epiglottis and pre-epigiottic space. Supraglottic cancers can spread through them to pre-epigloltic space. Epiglottis is not essential for swallowing and can Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2 be amputated in carcinoma with little aspiration.4Arytenoid cartilages. They arc paired. Each arytenoid cartilage is pyramidal in shape. It has a /wrEbook Dhingra diseases of ear, nose and throat (6/E): Part 2
z which articulateswith cricoid cartilage; a muscular process, directed laterally to give attachment to intrinsic laryngeal muscles; a wra/ proems dirDISEASES OF LARYNXAND TRACHEASECTION VEEmzzza■MH56Anatomy and Physiology of larynx57laryngotracheal Trauma58Acute and Chronic Inflammations of Larynx5 Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2 horn). They are paired. Each articulates with the apex of arytenoid cartilage as if forming its horn.6Cuneiform cartilages (of Wrisberg). They arc rod shaped. Each is situated in arycpiglottic fold in front of corniculate cartilage ami provides passive supports to the fold.Thyroid, cricoid and most Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2 of the arytenoid cartilages are hyaline cartilages whereas epiglottis, corniculate, cuneiform and tip of arytenoid near the corniculate cartilage areEbook Dhingra diseases of ear, nose and throat (6/E): Part 2
elastic fibrocartilage. Hyaline cartilages can undergo ossification; it begins at the age of 25 years in thyroid, a little later in cricoid and aryteDISEASES OF LARYNXAND TRACHEASECTION VEEmzzza■MH56Anatomy and Physiology of larynx57laryngotracheal Trauma58Acute and Chronic Inflammations of Larynx5 Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2ys.LARYNGEAL JOINTSCricoarytenoid joint. It is a.synovial joint surrounded by capsular ligament. It is formed between the base of arytenoid ami a facet on the upper border of cricoid lamina. Two types of movements occur in this joint: (i) rotatory, in which arytenoid cartilage moves around a vertica Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2l axis, thus abducting or adducting the vocal coni; (ii) gliding movement, in which one arytenoid glides towards the other cartilage or away from it.Ebook Dhingra diseases of ear, nose and throat (6/E): Part 2
thus closing or opening the posterior part of glottis.Opening forSuperior laryngeal vessels and internal branch of Superior laryngeal nerveSuperior coDISEASES OF LARYNXAND TRACHEASECTION VEEmzzza■MH56Anatomy and Physiology of larynx57laryngotracheal Trauma58Acute and Chronic Inflammations of Larynx5DISEASES OF LARYNXAND TRACHEASECTION VEEmzzza■MH56Anatomy and Physiology of larynx57laryngotracheal Trauma58Acute and Chronic Inflammations of Larynx5Gọi ngay
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