Pharyngeal arch | Aortic arch artery | Cranial nerve | Muscular structures | Skeletal structures | Adult structures | |
---|---|---|---|---|---|---|
External auditory meatus | I (Mandibular arch) | Maxillary artery | Trigeminal (V) | Mandibular prominence: muscles of mastication, anterior belly of digastric, tensor tympani, tensor veli palatini, mylohyoid. Maxilliary prominence: none. | Mandibular prominence: mandible, incus, malleus, Meckel’s cartilages. Maxilliary prominence: maxilla, zygomatic bone, squamos temporal bone, palatine bone, vomer. | Middle ear auditory tube, tympanic activity |
II (Hyoid arch) | Stapedial artery, hyoid artery | Facial nerve (VII) | Muscles of facial expression, (buccinator, platysma, auricularis, frontalis, orbicularis oris, orbicularis oculi) stylohyoid, posterior belly of digastric, stapedius. | Lesser horn of the hyoid bone, superior half of hyoid body, stapes, styloid process. | Supratonsillar fossa, crypts of palatine tonsils | |
Cervical sinus of His | III | Common carotid, internal carotid artery | Glossopharyngeal (IX) | Stylopharyngeus | Greater horn of hyoid bone, inferior half of hyoid body. | Thymus, inferior parathyroid glands |
IV | Right-Proximal subclavian artery Left-Aortic arch | Vagus nerve (X), superior laryngeal nerve | Intrinsic muscles of soft palate, levator veli palatini, cricothyroid | Laryngeal cartilages: thyroid cartilage, cricoid cartilage, arytenoid cartilage, corniculate cartilage, cuneiform cartilage, epiglottic cartilage | Superior parathyroid glands, C-cells of thyroid | |
VI | Right – proximal pulmonary artery Left – proximal pulmonary artery and ductus arteriosus | Vagus nerve, recurrent laryngeal nerve | Intrinsic muscles of the larynx, (not cricothyroid) | Laryngeal cartilages: thyroid cartilage, cricoid cartilage, arytenoid cartilage, corniculate cartilage, cuneiform cartilage. |