RIOLAN’S //RIOLAND’S BOUQUET//STYLOID COMPLEX скачать в хорошем качестве

RIOLAN’S //RIOLAND’S BOUQUET//STYLOID COMPLEX

Rioland’s Bouquet, or the Styloid Complex, refers to the group of anatomical structures arising from the styloid process of the temporal bone. This arrangement is likened to a “bouquet” due to its fan-shaped connections. Components: 1. Styloid Process A slender bony projection serving as an anchor point for muscles and ligaments. 2. Muscles Attached to the Styloid Process and Their Nerve Supply: • Stylohyoid Muscle: Elevates the hyoid bone during swallowing. Nerve supply: Facial nerve (CN VII). • Stylopharyngeus Muscle: Elevates the pharynx and larynx during swallowing. Nerve supply: Glossopharyngeal nerve (CN IX). • Styloglossus Muscle: Retracts and elevates the tongue. Nerve supply: Hypoglossal nerve (CN XII). 3. Stylohyoid Ligament A fibrous band extending from the styloid process to the lesser horn of the hyoid bone, providing stability during swallowing. It has no direct nerve supply. 4. Vascular and Neural Relations • Facial nerve (CN VII) passes close to the styloid process. • External carotid artery and branches like the ascending pharyngeal artery are in proximity. Why is it called “Rioland’s Bouquet”? The name originates from Jean Riolan, a 17th-century French anatomist, who likened the structures radiating from the styloid process to a bouquet of flowers because of their branching, fan-like arrangement. Clinical Importance: • Eagle’s Syndrome: An elongated styloid process or calcified stylohyoid ligament can compress nearby nerves and vessels, causing pain in the throat or difficulty swallowing. • Surgical Relevance: The proximity to vital nerves and vessels makes this area critical in head and neck procedures. #nose #throathealth #ear #science #ent #otolaryngology #nosebleed #tonsils #anatomy #biology