- May 2, 2026The ansa cervicalis is a nerve loop formed by fibres from C1-C3, lying on the internal jugular vein and supplying…
- May 2, 2026The dorsal scapular nerve supplies the rhomboids and levator scapulae, providing the medial scapular retraction force that counterbalances the serratus…
- May 2, 2026The phrenic nerve is the sole motor supply to the diaphragm, making it the most vital peripheral nerve in the…
- May 2, 2026The spinal accessory nerve (cranial nerve XI) supplies the sternocleidomastoid and trapezius, both of which are tested in the neurological…
- May 2, 2026The vagus nerve is the longest cranial nerve, wandering from the brainstem to the abdominal viscera and mediating the parasympathetic…
- May 2, 2026The brachial plexus is the complex neural network formed from the ventral rami of C5-T1, organised into roots, trunks (upper…
- May 2, 2026The posterior cricoarytenoid ligament connects the posterior surface of the cricoid cartilage to the muscular process of the arytenoid, forming…
- May 2, 2026The cricothyroid membrane (conus elasticus anterior portion, or median cricothyroid ligament) is the midline fibroelastic membrane spanning from the superior…
- May 2, 2026The conus elasticus (cricovocal membrane) is the paired elastic fibrous membrane spanning from the superior border of the cricoid cartilage…
- May 2, 2026The vestibular ligament (ventricular ligament) is the lower free edge of the quadrangular membrane, running from the arytenoid cartilage posteriorly…