Periarbicular

Periarbicular refers to the area surrounding the orbicularis oculi muscle, which is a group of muscles located around the eye. The orbicularis oculi muscle is responsible for closing the eyelids and is innervated by the facial nerve (cranial nerve VII). The periarbicular area includes the skin, subcutaneous tissue, and underlying structures such as the tarsal plates, which are part of the eyelid's framework.

This region is clinically significant due to its involvement in various medical conditions. For example, periorbital edema, or swelling around the eye, can occur due to inflammation, infection, or other underlying medical issues. The periarbicular area is also a common site for the development of periorbital cellulitis, a bacterial infection that can lead to severe complications if not treated promptly.

In cosmetic surgery, the periarbicular area is a target for procedures such as blepharoplasty, or eyelid surgery, which aims to improve the appearance of the eyelids by removing excess skin and fat. Additionally, the area is sometimes involved in reconstructive surgeries following trauma or cancer resection.

The periarbicular region is also of interest in dermatology, as it can be affected by various skin conditions such as rosacea, seborrheic dermatitis, and periorbital dermatitis. These conditions can lead to symptoms such as redness, swelling, and inflammation in the periorbital area.

In summary, the periarbicular area is a clinically and cosmetically significant region that encompasses the orbicularis oculi muscle and the surrounding tissues. Its involvement in various medical conditions and surgical procedures highlights its importance in both clinical and aesthetic contexts.