Anatomical Features (Markings) of Bones

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Foramen

A hole through a bone (foramen magnum)

Crest - Projection /extension

A narrow, elevated ridge of bone (iliac crest of hip)

Alveolus

A pit or socket (tooth socket)

Tuberosity - projection / extension

A rough elevated surface (tibial tuberosity)

Condyle - Articulation

A rounded knob that articulates with another bone (occipital or mandibular condyles)

Spine - projection / extension

A sharp slender process (spine of scapula)

Fissure

A slit through a bone (orbital fissures behind the eyes)

Tubercle - projection / extension

A small rounded process (greater and lesser tubercle of humerus)

Facet Articulation

A smooth flat articular surface (articular facets of vertebrae)

Canal -

A tubular passage or tunnel in a bone (condylar canal of the skull)

Depressions

Alveolus, Fossa, Fovea, Sulcus

Sinus

An air filled space in a bone (frontal or maxillary sinus)

Meatus

An opening into a canal (acoustic meatus of the ear)

Process - projection / extension

Any bony prominence (mastoid process, styloid process, zygomatic process)

Passages and Holes

Canal, Fissure, Foramen, Meatus, Sinus

Projections and Extensions

Crest, Epicondyle, Line, Process, Protuberance, Ramus, Spine, Trochanter, Tubercle, Tuberosity

Ejpicondyle - Projection / extension

Projection superior to a condyle (medial epicondial of humerus or femur

Line - projection / extension

Slightly raised, elongated ridge (nuchal lines of occipital bone

Head Articulation

The prominent expanded end of a bone, someties rounded (head of humerus or femur)

Trochanter - projection / extension

Two massive processes unique to the femur (greater and lesser trochangers of femur)

Ramus - projection / extension

a branch (ramus of mandible)

Fovea

a small pit (fovea capitis of the femur)

Protuberance - projection / extension

bony outgrowth or protruding part (mental protuberance of chin

Sulcus - Depression

groove for a tendon, nerve, or blood vessel (intertubular sulcus of the humerus)

Fossa - Depression

shallow depression / shallow, broad, or elongated basin (mandibular or iliac fossa)

Articulations

Condyle, Facet, Head


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