Features of Bones

Feature of Bones

Descriptions and Examples, Head to Toe

Martini’s 8th: p 187

The following terms will be used to describe and name features of bones which you are about to learn. Familiarize yourself with the list first, then learn the terms as you learn the bones of the body and the names and function of their features. I have listed example features starting with the skull and working down to the femur.

Meatus  canal-like passage way
temporal_L_lateral_PA281046
temporal bone: ext auditory meatus


Process a projection from a bone

temporal_R_lateral_PA281027
temporal bone: zygomatic process


Fissure narrow slit-like opening

orbit_L_PB060030
orbit: superior & inferior fissures


Sinus cavity within a bone, air & mucousmembranefacial sinuses

ethmoid_PA281050
ethmoid

frontal and maxillary sinuses ethmoid sinuses


Foramen round opening through bone

foramen_magnum_PA281069
View of Floor of Cranium

foramen magnum


Ramus arm-like extension of bone

mandible_lateral_PA281031
mandibular ramus


Condyle rounded knuckle like articular surface

mandibular condyle, femur: distal


Fossa shallow depression, often articular

temporal_R_lateral_PA281027
temporal: mandibular fossa


Tubercle small rounded projection

humerus_ant&post_PB012145-46

humerus: greater & lesser


Groove furrow

humerus_ant&post_PB012145-46
humerus: intertubercular groove


Head rounded expansion, carried on neck

humerus_ant&post_PB012145-46
humerus: proximal end


Tuberosity large rounded projection

humerus_ant_post_PB060014
humerus: deltoid tuberosity


Epicondyle elevated area on or above condyle

humerus_ant_post_PB060014
humerus: lateral & medial


Facet smooth, nearly flat articular surface

thoracic_colmn_PB060006
vertebral facets


Crest prominent narrow ridge

os_coxa_lat_PB060022_lbd
os coxa: iliac crest


Spine sharp, slender pointed projection

os coxa: anterior sup. iliac spines


Trochanter large, blunt process

PB121172
femur: proximal end


Line narrow low ridge

femur_ant_&_post
femur: linea aspera

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