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Anatomy and Physiology I
Chapter 6 Vocab
35
Science
Undergraduate 2
07/01/2009

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Term
Appositional Growth
Definition
A way that cartilage grows from the outside
Term
Interstital Growth
Definition
A way that cartilage grows from the inside.
Term
Compact or dense bone
Definition
The external layer of a bone
Term
Spongy or cancellous bone
Definition
Internal area of bone
Term
Trabeculae
Definition
The needle-like, flat pieces that make up the honeycomb of the spongy bone.
Term
Diaphysis
Definition
The long axis of the long bone
Term
Epiphysis
Definition
The bone ends in long bones
Term
Periosteum
Definition
The white, double-layered membrane that covers the external surface of the bone except the joint surfaces.
Term
Endosteum
Definition
The delicate connective tissue membrane that covers the internal bone surfaces.
Term
Osteoblasts
Definition
Bone forming cells
Term
Osteoclasts
Definition
Bone eating cells
Term
Osteogenic cells
Definition
Actively mitotic stem cells found in the membranous periosteum and endosteum.
Term
Osteon
Definition
The structural unit of compact bone. It is an elongated cylander oriented parallel to the long axis of the bone.
Term
Osteoid
Definition
The organic part of the matrix. Includes ground substance and collagen fibers.
Term
Ossification
Definition
The process of bone formation.
Term
Intramembranous Ossification
Definition
The formation of cranial bones of the skull and the clavicles. All bones formed by this process are flat bones.
Term
Endochondral Ossification
Definition
The formation process of all bones of the skeleton below the base of the skull, except for the clavicles.
Term
Bone remodeling
Definition
The two processes of bone deposit and bone resorption.
Term
Bone markings
Definition
Projections, depressions, and openings that serve as sites of muscle, ligament, and tendon attachment, as joint surfaces, or as conduits for blood vessels and and nerves.
Term
Tuberosity
Definition
Type of bone marking. Large rounded projection; may be roughened.
Term
Crest
Definition
Type of bone marking. Narrow ridge of bone; usually prominent.
Term
Trochanter
Definition
Type of bone marking. Very large, blunt, irregularly shaped process(the only examples are in the femur).
Term
Tubercle
Definition
Type of bone marking. Small rounded projection or process.
Term
Epicondyle
Definition
Type of bone marking. Raised area on or above a condyle.
Term
Spine
Definition
Type of bone marking. Sharp, slender, often pointed projection.
Term
Process
Definition
Type of bone marking. Any bone prominence.
Term
Head
Definition
Type of bone marking. Boney expansioncarried on a narrow neck.
Term
Facet
Definition
Type of bone marking. Smooth, nearly flat articular surface.
Term
Condyle
Definition
Type of bone marking. Round articular projection.
Term
Ramus
Definition
Type of bone marking. Armlike bar of bone.
Term
Meatus
Definition
Type of bone marking. Canal-like passageway.
Term
Fossa
Definition
Type of bone marking. Shallow, basinlike depression in a bone, often serving as an articular surface.
Term
Groove
Definition
Type of bone marking. Furrow.
Term
Fissure
Definition
Type of bone marking. Narrow, slitlike opening.
Term
Foramen
Definition
Type of bone marking. Round or oval opening through a bone.
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