Pterygopalatine ganglion - Head and neck animated gross anatomy

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Pterygopalatine Ganglion Anatomy:

The pterygopalatine ganglion, the largest peripheral parasympathetic ganglion of the head, plays a vital role in facial innervation. Located in the pterygopalatine fossa, near the pterygoid canal and foramen rotundum, this ganglion receives parasympathetic fibers from the facial nerve via the greater petrosal nerve and the nerve of the pterygoid canal. It provides parasympathetic innervation to the lacrimal gland, as well as mucosal glands in the nose, nasopharynx, and palate. It has three roots: parasympathetic, sympathetic, and sensory, with key branches such as the nasopalatine, greater and lesser palatine nerves. Clinically, understanding the ganglion is crucial in managing conditions like dry eyes and nasal congestion. 🧠🔍

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