Laryngeal Development

Laryngeal Development - LaryngealDevelopment...

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Laryngeal Development Changes in posi4on Newborn High in neck (cricoid at about C3 or C±) EpigloBs contacts velum Obligatory nasal breathing Facilitates feeding Changes at about ±‐6 months One year Larynx descends to middle of C± 3 years Larynx descends to middle of C6 10‐20 years Larynx descends to C7 Changes in external framework
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Thyroid is con4guous with hyoid at birth, then separates Car4lages are soO and pliable at birth ±ssifca4on begins around 2 years oF age, con4nuing into adulthood Laminae oF thyroid become more angular in the older child, especially in males Growth oF laryngeal car4lages in more gradual in Females Rapid changes in males at puberty Changes in internal Framework
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Vocal folds double in length during childhood, with greatest change occurring for membranous por4on Addi4onal growth at puberty, especially for males Muscles increase propor4onally in weight UndiFeren4ated lamina propria
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Laryngeal Development - LaryngealDevelopment...

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