स्वरयंत्र Larynx
- LARYNX
- Synonyms
- Voice box , upper windpipe ,
- Function
- Voice , phonation , vowels , consonants , speech , word ,
- Language is called as index of intellect
- Situation and extent
- From root of tongue to trachea
- Lies from C3 to C6 vertebra
- Size
- 44mm in males , 36 mm in females
- Constitution of larynx
- Laryngeal walls
- Cartilages
- Connecting membranes and ligaments
- extrinsic
- thyrohyoid membrane
- connects thyroid cartilage to hyoid bone
- pierced by
- internal laryngeal nerve
- superior laryngeal vessels
- hyoepiglottic ligament
- connects upper end of epiglottic cartilage to hyoid bone
- cricotracheal ligament
- connects cricoid cartilage to upper end of trachea
- Intrinsic
- fibroelastic membrane of larynx
- membrane is placed outside mucous membrane
- interrupted on each side by sinus of larynx
- part of membrane above sinus
- quadrate membrane
- extends from arytenoid cartilage to epiglottis
- lower free border forms vestibular fold
- upper free border forms aryepiglottic fold
- part below is called
- conus elasticus or cricovocal membrane
- extends upwards and medially from arch of cricoid cartilage
- anterior part is thick - cricothyroid ligament
- upper free border forms - vocal folds
- Laryngeal cartilages and joints
-
- Laryngeal prominence
- Lamina
- Superior thyroid notch
- Inferior thyroid notch
- Superior thyroid tubercle
- Inferior thyroid tubercle
- Oblique line
- Superior horn
- Inferior horn
- (Thyroid foramen)
- Thyrohyoid membrane
- Median thyrohyoid ligament
- Retrohyoid bursa
- Infrahyoid bursa
- Lateral thyrohyoid ligament
- Triticeal cartilage
-
- Arch of cricoid cartilage
- Lamina of cricoid cartilage
- Arytenoid articular surface
- Thyroid articular surface
- Cricothyroid joint
- Capsule of cricothyroid joint
- Ceratocricoid ligament
- Median cricothyroid ligament
- Cricotracheal ligament
-
- Articular surface
- Base of arytenoid cartilage
- Anterolateral surface
- Vocal process
- Arcuate crest
- Colliculus
- Oblong fovea
- Triangular fovea
- Medial surface
- Posterior surface
- Apex of arytenoid cartilage
- Muscular process
- Crico-arytenoid joint
- Capsule of crico-arytenoid joint
- Crico-arytenoid ligament
- Cricopharyngeal ligament
- (Sesamoid cartilage)
- Corniculate cartilage Santorini
- Corniculate tubercle
- Cuneiform cartilage Wrisbergi
- Cuneiform tubercle
-
- Epiglottic cartilage
- Stalk of epiglottis
- Epiglottic tubercle
- Thyro-epiglottic ligament
- Hyo-epiglottic ligament
- Pre-epiglottic fat body
-
- Cricothyroid
- Straight part
- Oblique part
- Posterior crico-arytenoid
- (Ceratocricoid)
- Lateral crico-arytenoid
- Vocalis
- Thyro-arytenoid
- Thyro-epiglottic part
- Oblique arytenoid
- Ary-epiglottic part
- Transverse arytenoid
-
- Laryngeal inlet
- Ary-epiglottic fold
- Corniculate tubercle
- Cuneiform tubercle
- Interarytenoid notch
- Laryngeal vestibule
- Vestibular fold
- Rima vestibuli
- Laryngeal ventricle Morgagni
- Laryngeal saccule
- Glottis
- Vocal fold
- Rima glottidis
- Intermembranous part
- Intercartilaginous part
- Interarytenoid part
- Infraglottic cavity
- Mucosa; mucous membrane
- Laryngeal glands
- Fibro-elastic membrane of larynx
- Quadrangular membrane
- Vestibular ligament
- Conus elasticus; cricovocal membrane
- Vocal ligament
| Arytenoid | दर्वीकल्पिका | |
| Corniculate | ||
| Cricoarytenoid | मुद्रिका दर्वीकल्पिका | |
| cricoarytenoid l. — | मुद्रिका-दर्विका स्नायु | |
| Cricoid cartilage | ||
| Cricopharyngeus | ||
| Cricothyroid | मुद्रिकावटुकी (तिर्यक एवं सरल भाग) | |
| cricothyroid l. — | मुद्रिकावटु स्नायु | |
| cricotracheal l. — | मुद्रिकाश्वासनली स्नायु | |
| Epiglottis | ||
| internal laryngeal n. (nervus laryngea interna) | आभ्यंतर स्वरयंत्र तंत्रिका | |
| Laryngeal inlet | ||
| Ligament | ||
| oblique arytenoid | दर्वीकल्पिका | |
| Piriform Fossa | तुम्बी रूप | |
| Recurrent laryngeal nerve | 1- पुनरावर्ती 2- प्रत्यावर्ती | |
| Rima glottides | कंठ रेखाछिद्र | |
| thyroarytenoid | अवटु दर्वीकल्पिका | |
| Thyrohyoid membrane | ||
| Thyroid cartilage | ||
| transverse arytenoid | अनुप्रस्थ दर्वीकल्पिका | |
| True vocal cords | स्वर रज्जु | |
| Vocal cords | स्वर रज्जु | |
| Vocal folds |
Discussion