Branchial Arches Flashcards by Omar Sameh

anterior ligament of malleus, spheno-mandibular

Mandibular part of the first arch

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Stylohyoid ligament

Second arch

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Upper part of the body of hyoid

Second arch

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Corniculate cartilage

Sixth arch

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Stylopharyngeus muscle

3rd arch

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Muscles of masstication

First arch

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Cricothyroid

4th arch

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All intrinsic muscles of the larynx except cricothyroid

6th arch

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Stapedius muscle

Second arch

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It gives part of maxilla, zygomatic bone and temporal bone?

The maxillary part of 1st arch

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palatine tonsil.

The second pouch
Second tonsil
D and T ادغام
Third=thymus

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thymus gland.

Ventral wing of the third pouch

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Inferior parathyroid

Dorsal wing of the third pouch

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superior parathyroid gland

The dorsal wing of the 4th pouch

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ultimobranchial bodies.

ventral wing of the 4th pouch

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The diverticulum will form the middle ear cavity, while the stalk will form the auditory tube

First pouch

External auditory meatus

First cleft

Smooth contour of the neck

Cervical sinus

ossicles of the middle ear (malleus and incus)

mandibular part of first arch

Lesser part of hyoid bond

Second arch
S and S

Greater horn of hyoid bone

Third arch

It contains cartilage called Meckle’s cartilage.

First or Mandibular arch

Its cartilage is called reichert’s cartilage

Second arch

is due to failure of fusion of the maxillary process and the medial nasal process.

Hare lip, cleft upper lip

due to excessive fusion between the maxillary and mandibular processes.

Microstomia

it is a rare anomaly. It is due to failure of fusion of the 2 mandibular processes.

Median cleft lower lip

: defect in the face extends from the medial angle of eye to upper lip. It is due to failure of fusion of lateral nasal process and maxillary process. The nasolacrimal duct is exposed to the surface.

Oblique facial cleft