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Q1 Anatomy

Bones and Skeletal Tissues

A resilient tissue that springs back to its original shape Cartilage
Most abundant of the cartilages, Provides support through flexibility Hyaline Cartilage
Type of cartilage that contains many elastic fibers Elastic Cartilage
An intermediate cartilage between hyaline and elastic, Resists tension and compression Fibrocartilage
Functions of bones (5) Support, Movement, Protection, Mineral Storage, Blood-Cell Formation
Bones that are longer than they are wide (shaft-like) Long Bones
Bones that are roughly cube shaped Short Bones
Bones that are thin, flat and usually curved Flat Bones
Bones that do not fit into the other categories of bones Irregular Bones
The dense outer layer of bone Compact Bone
The internal network of bone Spongy Bone
"Shaft" of a bone Diaphysis
Ends of a bone Epiphysis
The hollow cavity in the shaft of the bone filled with yellow marrow, Stores fats Medullary Cavity
The fibrous membrane that covers the external surfaces of bones Periosteum
Fibers extending from the periosteum into the lamellae of the bone Sharpey's Fibers
The membrane lining the medullary cavity of bone and other inner bone surfaces Endosteum
The microscopic bone unit of compact bone consisting of Haversian canals and the surrounding lamellae, Osteon/Haversian System
A group of concentric tubes that bear weight Osteons
A layer of bone matrix consisting of collagen fibers and mineral crystals, Withstands twisting, stress and torsion Lamella/Lamellae
Microscopic structure running through each osteon, Consists of blood vessels and nerve fibers Central/Haversian Canal
Microscopic structure that connects the blood and nerve supply of the periosteum to the central canals and marrow cavity Volkmann's Canal
Mature bone cells Osteocytes
Small cavities occupied by osteocyte bodies Lacunae
Small cavities occupied by osteocyte "legs" Canaliculi
Created by: amber.whalen