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arcos faringeos

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arcos faringeos (arcos faringeos)

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Desarrollo embriológico de arcos
faríngeos y músculos masticadores.
¿Qué son los árcos faríngeos? ¿Qué desarrollan los árcos faríngeos?


Los arcos faríngeos, también conocidos como arcos
branquiales, son estructuras embrionarias A medida que el embrión se desarrolla, estos
tempranas que se encuentran en el embrión en arcos dan origen al cartílago, al hueso, a los
desarrollo. Existen seis arcos faríngeos. Sin nervios, los músculos, las glándulas y el tejido
embargo, el quinto arco se retrae antes de conectivo de la cara, la mandíbula, la oreja y el
completar su desarrollo. cuello. Cada arco está inervado por un nervio
craneal específico.




Primer arco (mandibular) Segundo arco(Hioideo)

Estructuras esqueléticas y ligamentos: martillo, Estructuras esqueléticas y ligamentos:
rama corta del yunque, maxilar, hueso estribo, rama larga del yunque, proceso
cigomático, paladar duro, hueso vómer, estiloides, asta menor y parte superior del
mandíbula, hueso temporal; ligamento anterior cuerpo del hueso hioides; ligamento
del martillo, ligamento esfenomandibular estilohioideo
Músculos: músculos de la masticación, músculo Músculos: músculos de la expresión facial,
milohioideo, vientre anterior del músculo músculo estilohioideo, vientre posterior
digástrico, tensor del tímpano, tensor del velo del músculo digástrico, estapedio
del paladar Derivados: arteria estapedial, arterias
Derivados: arteria maxilar carotidotimpánicas
Par craneal: nervio trigémino (V par craneal) Par craneal: nervio facial (VII par craneal)

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Uploaded on
April 18, 2024
Number of pages
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Written in
2023/2024
Type
Class notes
Professor(s)
Marco antonio puchinelli wong
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