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Bone Tissue
Lecture 10
21
Anatomy
12/07/2009

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Cards

Term
Proper connective tissue
Definition
Tendons, ligaments, adipose (fat), loose connective tissue
Term
Fluid connective tissue
Definition
Blood and lymph
Term
Supporting connective tissue
Definition
Bone and cartilage
Term
3 components to connective tissue
Definition
Specialized cells, protein fibers, ground substance
Term
Chondrocytes
Definition
Specialized cartilage cells
Term
Hyaline cartilage
Definition
"Glassy", imperceptible collagen fibers, found in fetal skeleton, ends of long bones, costal cartilage, nose, larynx, trachea
Term
Elastic cartilage
Definition
More elastic than collagen, stretchy cartilage, found in external ear, epiglottis
Term
Fibrocartilage
Definition
Thick collagen fibers, strong tension/compression, tensile/compressive strength, found in intervertebral discs, pubic symphysis, knee discs, jaw
Term
Functions of bone
Definition
Support, movement, protection, mineral storage, blood formation and fat storage
Term
Periosteum
Definition
Exterior bone covering, connective tissue continuous with joint capsule, allows for attachment to tendons/ligaments, contains osteogenic layer (osteocytes) underneath
Term
Endosteum
Definition
Covers hollow cavity inside of bone, has osteogenic layer
Term
Osteon
Definition
The growth unit of bone
Term
Lamellae
Definition
Concentric layered rings that surround a central canal
Term
Lacunae
Definition
Spaces where osteocytes are found
Term
Haversian (central) canal
Definition
Holds blood vessel and nerves that provide nutrients for osteocytes
Term
Canaliculi
Definition
Channels between Haversian canal and lacunae
Term
Interstitial lamellae
Definition
Old bone that has been grown over (remodeled), looks like overlapping columns
Term
Trabeculae
Definition
Makes spongy bone spongy
Term
Osteocytes
Definition
Build up and break down bone, live in lacunae
Term
Osteoblasts
Definition
Make up the osteogenic layer, make new bone and become osteocytes
Term
Osteoclast
Definition
Multi-nucleated, break bone down to release calcium on endosteum side