Cavernous sinus The cavernous sinus is a very important intracranial, extradural anatomic region that contains many structures vital for visual function. Numerous disease processes along the skull base and in the cavernous sinus can have a major impact on vision or ocular motility. Yet this anatomic structure remains quite unfamiliar to most ophthalmologists and orbital …
Sensate cutaneous flaps and their innervation More Commonly Used Flaps • Lateral arm flap, innervated by the posterior brachial cutaneous nerve • Radial forearm flap, innervated by the medial and lateral antebrachial cutaneous nerves • Dorsalis pedis flap, innervated by the deep branch of peroneal nerve in the first web space and by the superficial peroneal nerve over …
Orbital Septum The orbital septum is a weak membranous sheet, attached to the orbital rim where it becomes continuous with the periosteumIt extends into each eyelid and blends with the tarsal plates and, in the upper eyelid, with the superficial lamella of levator palpebrae superioris.The orbital septum is thickest laterally, where it lies in front …