- May 2, 2026The atlanto-occipital joints are the paired synovial joints between the occipital condyles (oval convex articular surfaces on the inferior occiput)…
- May 2, 2026The atlantoaxial median joint is the pivot joint formed between the anterior surface of the odontoid process (dens) of C2…
- May 2, 2026The pre-epiglottic space is the fat-filled triangular compartment anterior to the epiglottis, bounded anteriorly by the thyroid cartilage and the…
- May 2, 2026The paraglottic space is the bilateral fat-filled space within the larynx between the laryngeal ventricle (medially), the thyroid cartilage (laterally),…
- May 2, 2026The pretracheal space is the compartment within the pretracheal fascial sleeve anterior to the trachea and below the thyroid isthmus,…
- May 2, 2026The piriform sinus (pyriform fossa) is the paired lateral recess of the hypopharynx, lying on either side of the laryngeal…
- May 2, 2026The carotid space is a vertically oriented potential space defined by the carotid sheath (a fascial condensation of all three…
- May 2, 2026The retropharyngeal space is the potential space between the posterior pharyngeal wall (covered by buccopharyngeal fascia) anteriorly and the alar…
- May 2, 2026The parapharyngeal space is the bilateral inverted pyramid-shaped potential space lateral to the pharynx, bounded medially by the pharyngeal constrictors…
- May 2, 2026The thoracic outlet is the superior aperture of the thorax bounded by the first rib, the clavicle, and the manubrium,…