- May 2, 2026The pectoralis major tendon is a bilaminar flat tendon inserting on the lateral lip of the intertubercular groove of the…
- May 2, 2026The serratus anterior arises via nine slips from the outer surface and superior border of ribs 1-9 (or sometimes 1-8…
- May 2, 2026The subclavius tendon attaches the subclavius muscle to the inferior surface of the middle third of the clavicle, in the…
- May 2, 2026The pectoralis minor inserts via a flat, strong tendinous attachment on the medial surface and superior margin of the coracoid…
- May 2, 2026The aortic arch space is the concave inferior aspect of the aortic arch creating the aortopulmonary window — the mediastinal…
- May 2, 2026The superior mediastinum lies above the sternal angle, containing the great vessels, trachea, oesophagus, thymus remnant, thoracic duct, and vagus…
- May 2, 2026The sternal notch (suprasternal notch / jugular notch) is the midline concavity at the superior manubrium between the two clavicular…
- May 2, 2026The costomediastinal recess is the pleural fold where the costal and mediastinal pleurae meet at the anterior mediastinum. It is…
- May 2, 2026The oblique pericardial sinus is the posterior pericardial recess behind the left atrium, bounded by the four pulmonary veins and…
- May 2, 2026The pleural dome (cupula) is the most superior extent of the pleural cavity, projecting 2-3 cm above the medial end…