Branchial arches simplified
*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
*2nd arch*: *S*econd
Nerve: *S*eventh 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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Awesome work.. nerve supply of levator Veli Palatine is through pharyngeal plexus I guess n thyroid cartilage develops from both 4th n 6th arch