Pharyngeal Arches

Pharyngeal Arches

The pharyngeal arches are embryological structures that give rise to the face, neck, and pharyngeal components, including bones, muscles, and vessels. Each arch has a specific cranial nerve and skeletal contribution. Knowledge of pharyngeal arch development is essential for embryologists, View Diagram Pharyngeal Arches→

Palmar Cutaneous Branch of Median Nerve

Palmar Cutaneous Branch of Median Nerve

The palmar cutaneous branch of the median nerve arises proximal to the carpal tunnel and supplies sensation to the central palm. Because it travels superficial to the flexor retinaculum, sensation over the palm is preserved in carpal tunnel syndrome.