E.N.T 5th year, 1st lecture (Dr. Hiwa)

Prepared by Dr.Hiwa As’ad Anatomy and Physiology of the Larynx

Anatomy of the larynx ,[object Object],[object Object],[object Object]

Laryngeal cartilages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Thyroid cartilage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Thyroid cartilage ,[object Object],[object Object],[object Object],[object Object],[object Object]

Thyroid cartilage ,[object Object],[object Object]

Cricoid cartilage ,[object Object],[object Object],[object Object]

Cartilage of epiglottis ,[object Object],[object Object],[object Object],[object Object]

Cartilage of epiglottis ,[object Object],[object Object],The tubercle of epiglottis projects backwards in its lower part.

Arytenoid cartilages ,[object Object],[object Object]

Arytenoid cartilages ,[object Object]

Corniculate cartilages (The cartilages of Santorini) ,[object Object],[object Object]

Cuneiform cartilages (The cartilages of Wrisberg) ,[object Object],[object Object],[object Object]

Laryngeal joints ,[object Object],[object Object]

Laryngeal ligaments and membranes ,[object Object],[object Object],[object Object],[object Object]

Intrinsic laryngeal ligaments and membranes ,[object Object],[object Object]

The elastic membrane of the larynx. ,[object Object],[object Object],[object Object]

The elastic membrane of the larynx. ,[object Object],[object Object],The upper part(Quadrangular mem.)

Conus elasticus ,[object Object],[object Object]

Conus elasticus ,[object Object]

Intrinsic laryngeal ligaments and membranes ,[object Object],[object Object],Attaches the epiglottis to the thyroid cartilage

Extrinsic laryngeal ligaments and membranes ,[object Object],[object Object]

Thyrohoid membrane ,[object Object],[object Object],[object Object],[object Object],[object Object]

Extrinsic laryngeal ligaments and membranes ,[object Object],[object Object],[object Object],[object Object]

Intrinsic laryngeal muscles ,[object Object],[object Object],[object Object],[object Object]

Abductors of the vocal cords Posterior crico-arytenoid muscle

Posterior crico-arytenoid muscle

Adductors of the vocal cords ,[object Object],[object Object],[object Object],[object Object]

Lateral crico-arytenoid muscle

Transverse portion of interarytenoid muscle

Action of transverse portion of interarytenoid muscle

External portion of thyro-arytenoid muscle

Tensors of the vocal cords ,[object Object],[object Object]

Cricothyroid muscle (external tensor)

Internal portion of thyro-arytenoid (vocalis muscle)

Openers of the laryngeal inlet ,[object Object]

Closers of the laryngeal inlet ,[object Object]

Extrinsic muscles of the larynx ,[object Object],[object Object],[object Object]

Cavity of the larynx ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Vestibule. Ventricle. Subglottic space

False vocal cord ,[object Object]

True vocal cords ,[object Object],[object Object],[object Object]

Vestibule ,[object Object],[object Object],[object Object],[object Object],[object Object]

Ventricle of the larynx ,[object Object],[object Object],[object Object],[object Object],[object Object]

Saccule ,[object Object],[object Object],[object Object]

Rima glottidis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Subglottic space ,[object Object]

Blood supply of the larynx ,[object Object],[object Object],[object Object]

Blood supply of the larynx Inferior thyroid artery superior thyroid artery

Nerve supply of the larynx supplied by branches of vagus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Superior laryngeal nerve External branch ,[object Object],[object Object]

Suprior laryngeal nerve Internal branch ,[object Object],[object Object],[object Object]

Recurrent (Inferior) laryngeal nerve ,[object Object],[object Object],[object Object],[object Object]

Recurrent (Inferior) laryngeal nerve ,[object Object],[object Object],[object Object]

Lymphatic drainage of the larynx ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lymphatic drainage of the larynx

Physiology of the larynx: ,[object Object],[object Object],[object Object],[object Object],[object Object]

E.N.T 5th year, 1st lecture (Dr. Hiwa)

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E.N.T 5th year, 1st lecture (Dr. Hiwa)