pterygopalatine ganglion

anatomy ppt

1. pterygopalatine ganglion “The largest parasympathetic ganglion in the head & neck”

2. Site : It lies in the pterygopalatine fossa pterygopalatine ganglion

3. Roots :

4. N.B. The sympathetic and parasympathetic roots reach the ganglion through the nerve of the pterygoid canal which is formed by the union of deep petrosal nerve (sympathetic) & greater superifical petrosal nerve (parasympathetic) Sensory roots Maxillary nerve Greater superficial petrosal (parasympathetic) Deep petrosal (sympathetic) Autonomic root (Nerve to pterygoid canal) ( Vidian Nerve) Pterygopalatine Ganglion

5. 6- Orbital branch 3- Posterior superior lateral nasal ( short sphenopalatine ) 1- Greater palatine 2- Lesser palatine 5- Pharyngeal branch 4- Nasopalatine (Long sphenopalatine ) Pterygopalatine Ganglion Branches: