Pterygomandibular raphe, mandible, and the maxilla lateral to the molarĪngle of mouth and the lateral portion of the upper and lower lips The auricular muscles are derived from the mesenchyme of the second pharyngeal arch, as are the muscles of facial expression Superficial temporal a., posterior auricular a. the arytenoideus is often considered to be one muscle with oblique and transverse partsĪnterior: galea aponeurotica anterior to ear superior: galea aponeurotica superior to ear posterior: mastoid processĪuricle anteriorly, superiorly and posteriorlyĪnterior & superior: temporal branches of facial nerve (VII) posterior: posterior auricular branch of facial nerve (VII) The transverse arytenoid m.lies anterior to the oblique arytenoid m. Inferior laryngeal nerve, from recurrent laryngeal nerve, a branch of the vagus nerve (X) Posterior surface of the contralateral arytenoid cartilage Posterior surface of the arytenoid cartilage the arytenoideus is often considered to be one muscle with oblique and transverse fibers lies posterior to the transverse arytenoid m. Posterior surface of the contralateral arytenoid cartilage, near its apexĭraws arytenoid cartilages together, adducting the vocal folds Muscular process of the arytenoid cartilage The mucosa is raised by the underlying aryepiglottic m. Inferior laryngeal nerve, from recurrent laryngeal nerve, a branch of the of vagus (X) Anterior tubercles of the transverse processes of vertebrae C3-C6Įlevates the first rib flexes and laterally bends the neckĪscending cervical a., a branch of the thyrocervical trunkĪ muscle of inspiration an important landmark of the neck it is located between the subclavian vein and the subclavian artery the roots of the brachial plexus pass posterior to it the phrenic nerve crosses its anterior surfaceĪpex (superior part) of the arytenoid cartilageĭraws the epiglottis posteriorly and downward during swallowing
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