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Larynx, Adductor of vocal ligament, Relax vocal cord, Branch of vagus n,…

- - - - hoarseness of voice
  - - - Cadaveric position
- - - - Thyroid
        
        Shield shape
        
        Hyaline cartilage
      - Epiglottic
        
        Leaf shape
        
        elastic cartilage
      - Cricoid
        
        Signet ring shape
        
        Hyaline cartilage
    - - Arytenoid
        
        Pyramidal shape
        
        Hyaline cartilage
      - Cuneiform
        
        Rod shape
        
        Elastic cartilage
      - Corniculate
        
        Small nodule
        
        Elastic cartilage
- - - - internal laryngeal n
    - - recurrent laryngeal n
  - - - Supply all intrinsic ms (except cricothyroid ms)
  - - - from recurrent laryngeal n
- - - - Upper border of epiglottis
    - - By aryepiglottic fold
    - - By interarytenoid fold
- - - - Nonkeratinized stratified squamous epithelium
      - Contains vocal ligament and vocalis muscle
      - White
      - Extend from angle of thyroid cartilage to arytenoid cartilage
    - - False vocal cord
      - Pink
      - Upper pair
      - Pseudostratified columnar ciliated epithelium
      - Contains Vestibular ligament
      - Extend from angle of thyroid cartilage to arytenoid cartilage
- - - - Suprahyoid
        
        Indirect elevators
        
        Mylohyoid
        
        Stylohyoid
        
        Geniohyoid
        
        Digastric
      - Infrahyoid
        
        Indirect depressor
        
        Sternothyroid
        
        Sternohyoid
        
        Omohyoid
        
        Thyrohyoid
  - - - Cricothyroid
        
        Triangular
        
        Chief tensor (increase length) of ligament high pitch
      - Posterior cricoarytenoid
        
        Abduct vocal ligament
        
        Safety ms of larynx
        
        If ms is paralysed ,a person may die due to lack of air entry
        
        Open rima glottides
      - Lateral cricoarytenoid
      - Transverse arytenoid
      - Oblique arytenoid
      - Thyro-arytenoid
      - Vocalis (part of thyroarythenoid fibre)