Branchial Arches Mnemonics

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We almost got a problem to memorizing the development of the branchial apparatus.

I hope with these mnemonics, will help you to memorize much easier. It helped me, so I thought It worth to share with you. Along with congenital heart disease, this seems to be the highest yield topic in Embryology in most of the exams

 

1st ARCH: A MASSIVE LIST OF M’S

Nerve: Maxillary and Mandibular nerves

Artery: Maxillary artery

Cartilage: Meckel’s Cartilage
Mandible + sphenoMandibular ligament
Malleus + Incus

Muscles: MAT x 2
– Muscles of Mastication
Mylohyoid
Anterior belly of digastric
Anterior 2/3 of tongue
– Tensor veli palatini
Tensor tympani

PS: for every one you get right reward yourself with an M&M 

2nd ARCH: SECOND

Nerve: Seventh nerve (facial nerve)

Artery: Stapedial artery and hyoid artery

Cartilage:
Stapes
Styloid
Stylohyoid ligament
– leSSer horn of hyoid

Muscles:
– Muscles of facial expression (Smiling)
Stapedius
Stylohyoid
– poSSSterior belly of digastric

 

3rd arch: think Glossopharyngeal nerve

Nerve:
Glossopharyngeal nerve

Cartilage:
Greater horn of hyoid

Muscle:
– Stylopharyngeus

 

4th Arch: Swallowing + The exceptions to the 6th arch below

Nerve: Superior Laryngeal (branch of vagus)

Cartilage:
– Thyroid cartilage

Muscles:
– Pharyngeal constrictors
– Levator veli palatini
– Cricothyroid

 

6th Arch: Speaking (Laryngeal)

Nerve: Recurrent laryngeal (branch of vagus)

Cartilage: All laryngeal cartilages except thyroid cartilage

Muscles:  All instrinsic laryngeal muscles except cricothyroid

 

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