concave

(adjective)

curved or bowed inward like the inner surface of a sphere or bowl

Related Terms

Examples of concave in the following topics:

  • Kidney Structure

    • The hilum is the concave part of the bean-shape where blood vessels and nerves enter and exit the kidney; it is also the point of exit for the ureters.

  • Human Axial Skeleton

    • The thoracic and sacral curves are concave, while the cervical and lumbar curves are convex.

  • Types of Synovial Joints

    • Each bone in a saddle joint resembles a saddle, with concave and convex portions that fit together.