- May 2, 2026The genioglossus is the largest extrinsic tongue muscle and the primary protruder of the tongue. Its fan-shaped attachment from the…
- May 2, 2026The hyoglossus is a flat, quadrilateral muscle connecting the hyoid bone to the lateral tongue, depressing and retracting the tongue…
- May 2, 2026The styloglossus arises from the elongated styloid process of the temporal bone and retracts the tongue posteriorly while curling its…
- May 2, 2026The zygomaticus minor is a small muscle of facial expression connecting the zygomatic bone to the upper lip, deepening the…
- May 2, 2026The levator labii superioris alaeque nasi is one of the longest named muscles in the body, earning the informal title…
- May 2, 2026The depressor labii inferioris depresses and everts the lower lip, exposing the lower teeth and inner lip mucosa. It works…
- May 2, 2026The procerus is a small pyramidal muscle at the bridge of the nose that pulls the medial eyebrow downward to…
- May 2, 2026The zygomaticus major is the primary smiling muscle, running obliquely from the cheekbone to the corner of the mouth and…
- May 2, 2026The orbicularis oris is a complex elliptical muscle surrounding the mouth, built from contributions of the buccinator posteriorly and the…
- May 2, 2026The orbicularis oculi is the sphincter muscle of the eyelid, forming an elliptical ring around the orbit divided into orbital,…