It has been reported that nitric oxide (NO) acts as a neurotransmitter in the vasodilator nerves innervating the cerebral arteries in several mammals. 1, 2 Histochemistry has showed that nitric oxide ...

The orbit is a confined space bounded by four bony walls. Apart from the globe, orbital fat, and extraocular muscles it contains many important neurovascular structures. It is intimately related to ...

The greater petrosal nerve is a branch of the facial nerve that helps control taste and tear production. It starts in the brainstem and travels through the skull to connect with glands that produce ...

3.1 It is believed that cluster headaches are caused by a trigeminal‑autonomic reflex mediated through the sphenopalatine ganglion. This procedure aims to relieve pain and reduce the frequency of ...

3.1 It is believed that cluster headaches are caused by a trigeminal‑autonomic reflex mediated through the sphenopalatine ganglion. This procedure aims to relieve pain and reduce the frequency of ...