Raydira Jiménez HUVM

23/11/2010

3rd week

4th y 5th weeks

Each archs contents:

Cartilagenous Component

Muscular Component

Aortic arch (artery) Nervous

component.

ADULT PEDIATRIC

EXTRINSIC

Intrinsic muscles: Adduct muscles:

Lateral Cricoarytenoids Interaryteniod Thyroarytenoids Cricothyroids

Abduct muscles: Posterior Cricoarytenoid

Intrinsic muscles: Adduct muscles:

Lateral Cricoarytenoids Interaryteniod Thyroarytenoids Cricothyroids

Abduct muscles: Posterior Cricoarytenoid

Divides by vestibular and vocal fold :

Superior vestibule Glottic space. Subglottic space

Above vocal foldsAbove vocal folds Below vocal foldsBelow vocal folds

Upper deep cervical nodes.

•Prelaryngeal, pretracheal & lower deep cervical.

PEDIATRIC

DIAMETER

(AGE in years + 16) /4

INFANT ADULT

EMC chapter 133.E 20 630 A10. Atlas of human anatomy. Netter plates

70_76. http://faculty.ksu.edu.sa/yousryelsayed/

Atlas%20ENT%20teaching%20slides/Atlas%20anatomy%20larynx.pdf

http://www.childrensmercy.org/stats/weblog2006/DifferencesInChildren.asp