Other causes of finger lumps. An infection may produce one or more finger lumps in the form of a localized abscess or as an enlargement of lymph nodes near the affected body region. Infectious causes of finger lumps include: Abscesses. Boils. Cellulitis (infection of the skin and underlying tissues). Herpes virus infections.
Definition of Instep. 1. Noun. (anatomy) The arched part of the top of the foot between the toes and the ankle. Â¹. 2. Noun. A section of any footwear covering that part of the foot.
Extensor Foot Tendons. In the foot diagram below, the main tendons on the top of the foot are labeled. The group of tendons are called the extensor tendons and are responsible for elevating the toes and flexing the ankle up (dorsiflexion).