Pharyngoesophageal Junction
Anatomy
Superior pharyngeal constrictor muscle, Root of tongue, Epiglottis, Middle pharyngeal constrictor muscle, Palatopharyngeus muscle, Stylopharyngeus
muscle, Longitudinal pharyngeal muscles, Pharyngoepiglottic
fold, Laryngeal inlet, Thyroid cartilage (superior horn), Thyrohyoid
membrane, Internal branch of superior laryngeal nerve and superior laryngeal artery and vein,
Oblique arytenoid muscle, Transverse arytenoid muscle, Thyroid
cartilage, Posterior cricoarytenoid muscle, Inferior pharyngeal constrictor muscle (thyropharyngeus
muscle), Pharyngeal aponeurosis (cut away), Cricoid cartilage (lamina), Cricopharyngeal
part of inferior pharyngeal constrictor muscle, Esophageal mucosa and submucosa, Circular
muscle in V-shaped area (of Laimer), Right
recurrent laryngeal nerve, Cricoesophageal
tendon, Longitudinal esophageal muscle, Window cut in longitudinal muscle exposes
circular muscle layer, Posterior view
with
pharynx opened and mucosa removed, Zone of sparse muscle fibers.
