Bone Markings - Depressions and Openings used for Passageways for Blood Vessels and Nerves
Fissure example(s)
Auricular fissure
Fossa
Elongated basin or shallow depression
Meatus example(s)
External auditory meatus
Foramen example(s)
Foramen magnum in the occipital bone
Groove
Furrow bone surface which runs along length of vessel nerve, provide space to avoid compression by adjacent muscle or external force
Foramen
Hole through bone, rounded passageway for blood vessels and/or nerves
Fossa example(s)
Mandibular fossa
Meatus
Opening into canal, passage or channel especially the opening of a canal
Groove example(s)
groove (sulcus) of the humerus
Fissure
Slit through bone, deep furrow, cleft or slit