Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: haemal arch
Usage: Brit, Cdn (US: hemal arch)
  1. A structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels
    "The haemal arch is particularly prominent in the tail vertebrae of fish";
    - hemal arch [N. Amer]

Derived forms: haemal arches

Type of: arch

Part of: centrum

Encyclopedia: Haemal arch