- May 2, 2026The costodiaphragmatic recess is the most inferior and largest pleural recess, formed where the costal and diaphragmatic pleural reflections meet.…
- May 2, 2026The pericardial cavity is the potential space between the visceral pericardium (epicardium) and the parietal pericardium, normally containing 15-50 mL…
- May 2, 2026The pleural cavity is the potential space between the visceral pleura (covering the lung surface) and the parietal pleura (lining…
- May 2, 2026The costochondral joints unite each rib to its costal cartilage at the osteochondral junction. The seventh through tenth costal cartilages…
- May 2, 2026The manubriosternal joint is a fibrocartilaginous symphysis between the inferior margin of the manubrium and the superior margin of the…
- May 2, 2026The xiphisternal joint is a fibrocartilaginous union between the xiphoid process and the inferior end of the sternal body. It…
- May 2, 2026The sternoclavicular joint is the only true synovial joint connecting the upper limb to the axial skeleton. Its saddle-shaped articulation…
- May 2, 2026The first sternocostal joint is uniquely a synchondrosis (not a synovial joint) — it fuses the first rib cartilage directly…
- May 2, 2026The thoracic facet joints face nearly coronally (frontal plane), enabling the thoracic spine's primary motion of rotation while limiting the…
- May 2, 2026The costotransverse joints connect the rib tubercle to the transverse process at each thoracic level (ribs 1-10), working with the…