Tag: ophthalmic artery

The Circle of Willis represents a critical arterial anastomosis at the base of the brain, formed by the interconnection of major arteries that supply oxygenated blood to neural tissues. This polygonal structure ensures collateral circulation, protecting the brain from ischemia during vascular occlusions or variations in blood flow. Comprising branches from the internal carotid arteries and vertebral arteries, it plays a pivotal role in maintaining cerebral perfusion, highlighting its significance in neurovascular anatomy and potential implications in conditions like strokes.

The muscles of the eye play a critical role in controlling eye movement and maintaining proper vision, showcasing the intricate design of human anatomy. This image presents both lateral and anterior views, illustrating the extrinsic eye muscles that originate from the skull and insert onto the eyeball, enabling precise coordination. Exploring their structure and function provides valuable insights into the mechanics behind eye movement and overall ocular health.

The nasal blood supply system represents a complex network of arteries that ensure proper circulation throughout the nasal cavity and surrounding structures. This anatomical illustration provides a detailed view of the major arterial vessels that supply blood to the nose, demonstrating their intricate pathways and distributions. Understanding this vascular network is crucial for medical professionals, particularly in treating epistaxis and performing nasal surgeries.