Bony Landmark Terms

Meatus

A body opening or passage, especially the external opening of a canal

Fissure

Any cleft or groove, normal or otherwise, especially a deep fold in the cerebral cortex involving its entire thickness

Foramen

A natural opening or passage, especially one into or through a bone

Fossa

A trench or channel; in anatomy, a hollow or depressed area

Sinus

A recess, cavity, or channel, as one in bone or a dilated channel for venous blood

Sulcus

A groove, trench, or furrow; a general anatomy term for such a depression, especially one on the brain surface, seperating the gyri

Condyle

A rounded projection on a bone, usually for articulation with another bone. Knuckle condylar

Facet

A small smooth area on a bone or other firm structure

Head

The rounded proximal end of a long bone. The end of a muscle that is attached to the less movable part of the skeleton

Trochlea

An anatomical structure that resembles a pulley, especially the part of the distal end of the humerus that articulates with the ulna. Various bony or fibrous structures through or over which tendons pass or with which other structures articulate.

Epicondyle

A projection at the end of a bone, located on or above a condyle and usually serving as a place of attachment for ligaments and tendons

Linea

Line; in anatomy, a narrow ridge or steak on the surface of a structure

Process

A prominence or projection, as from a bone

Spinous process

A part of the vertebra projecting backward from the arches, giving attachment to the back muscles.

Trochanter

Bony processes on the upper part of the femur serving as the point of attachment of various muscles.

Tubercle

A nodule or small eminence, especially one on a bone for attachment of a tendon.

Tuberosity

A projection or protuberance, especially one at the end of a bone for the attachment of a muscle or tendon

Crest

A projection, or projecting structure or ridge, especially one surrounding a bone or its border, for example iliac crest the thickened, expanded upper border of the ilium

Protuberance

A bulge, knob, or swelling that protrudes

Prominence

A protrusion or projection

spine

sharp, slender or prominent projection

notch

indentation along the edge of a bone

fovea

small pit or depression