Osseous Tissue and Bone Structure

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1
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long bones

longer than they are wide

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flat bones

thin with parallel surfaces

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sutural bones

small, irregular; found between flat bones of the skull

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irregular bones

complex shapes

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5
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short bones

small and thick

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sesamoid bones

small and flat

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compact bone

Hard, dense bone tissue that is beneath the outer membrane of a bone

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spongy bone

Layer of bone tissue having many small spaces and found just inside the layer of compact bone

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diaphysis

<p>tubular shaft that forms the axis of long bones</p>

tubular shaft that forms the axis of long bones

<p>tubular shaft that forms the axis of long bones</p>
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medullary cavity

<p>contains yellow bone marrow</p>

contains yellow bone marrow

<p>contains yellow bone marrow</p>
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epiphysis

<p>expanded ends of bone</p>

expanded ends of bone

<p>expanded ends of bone</p>
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epiphyseal line

<p>separates the diaphysis from the epiphyses; where the bone grows</p>

separates the diaphysis from the epiphyses; where the bone grows

<p>separates the diaphysis from the epiphyses; where the bone grows</p>
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bone matrix

calcium phosphate and collagen fibers

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calcium phosphate

2/3 the weight of the bone; makes bone hard and able to withstand compression

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collagen fibers

makes bones flexible, tough, and able to twist and bend

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canaculi

<p>form pathways for blood vessels; exchange nutrients and wastes</p>

form pathways for blood vessels; exchange nutrients and wastes

<p>form pathways for blood vessels; exchange nutrients and wastes</p>
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periosteum

<p>covers the outer surfaces of bones, consists of outer fibrous and inner cellular layers</p>

covers the outer surfaces of bones, consists of outer fibrous and inner cellular layers

<p>covers the outer surfaces of bones, consists of outer fibrous and inner cellular layers</p>
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osteocytes

<p>mature bone cells in lacunae</p>

mature bone cells in lacunae

<p>mature bone cells in lacunae</p>
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osteoblasts

bone makers

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osteoid

matrix produced by osteoblasts, but not yet calcified to form bone

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osteoprogenitor cells

mesenchymal stem cells that divide to produce osteoblasts

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osteoclasts

bone dissolvers

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bone homeostasis

bone building and bone recycling must balance

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osteon

structural unit of compact bone

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haversian canal

<p>contains blood vessels and nerves</p>

contains blood vessels and nerves

<p>contains blood vessels and nerves</p>
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volkmann canals

<p>carry blood vessels into bone and marrow</p>

carry blood vessels into bone and marrow

<p>carry blood vessels into bone and marrow</p>
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concentric lamellae

<p>lamellae in an osteon</p>

lamellae in an osteon

<p>lamellae in an osteon</p>
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interstitial lamellae

<p>old, broken down osteons</p>

old, broken down osteons

<p>old, broken down osteons</p>
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circumferential lamellae

<p>circumnavigates the bone (outside)</p>

circumnavigates the bone (outside)

<p>circumnavigates the bone (outside)</p>
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structure of spongy bone

no osteons and no blood vessels; trabeculae; space between trabeculae is filled with red and yellow bone marrow

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Sharpey's fibers (perforating fibers)

<p>connect the periosteum to the bone</p>

connect the periosteum to the bone

<p>connect the periosteum to the bone</p>
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Howship's lacunae

where osteoclasts are found

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33
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Synarthroses

<p>immoveable joints; also called fibrous joints</p>

immoveable joints; also called fibrous joints

<p>immoveable joints; also called fibrous joints</p>
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Amphiarthroses

<p>slightly moveable; also called cartilaginous joints</p>

slightly moveable; also called cartilaginous joints

<p>slightly moveable; also called cartilaginous joints</p>
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Diarthroses

<p>freely moveable; also called synovial joints</p>

freely moveable; also called synovial joints

<p>freely moveable; also called synovial joints</p>
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suture

<p>a synarthrosis joint</p>

a synarthrosis joint

<p>a synarthrosis joint</p>
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pubic symphysis

<p>an amphiarthrosis joint</p>

an amphiarthrosis joint

<p>an amphiarthrosis joint</p>
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plane joint

<p>short slipping or gliding; wrist</p>

short slipping or gliding; wrist

<p>short slipping or gliding; wrist</p>
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hinge joint

<p>back and forth; knee or elbow</p>

back and forth; knee or elbow

<p>back and forth; knee or elbow</p>
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pivot joint

<p>one bone rotates around another bone; radius and ulna</p>

one bone rotates around another bone; radius and ulna

<p>one bone rotates around another bone; radius and ulna</p>
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condylar joint

<p>side to side; fingers</p>

side to side; fingers

<p>side to side; fingers</p>
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saddle joint

<p>convex and concave areas; thumb</p>

convex and concave areas; thumb

<p>convex and concave areas; thumb</p>
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ball-and-socket

<p>head of one bone fits into a cup-like cavity of another bone; hip</p>

head of one bone fits into a cup-like cavity of another bone; hip

<p>head of one bone fits into a cup-like cavity of another bone; hip</p>
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Fibrous joint

bones connected by thick fibrous tissue; allows no movement

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cartilaginous joints

bones connected by cartilage; allows only slight movement

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synovial joints

bones separated by a fluid-filled cavity; allows variety of motion

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47
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Synarthroses

<p>immoveable joints; also called fibrous joints</p>

immoveable joints; also called fibrous joints

<p>immoveable joints; also called fibrous joints</p>
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48
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Amphiarthroses

<p>slightly moveable; also called cartilaginous joints</p>

slightly moveable; also called cartilaginous joints

<p>slightly moveable; also called cartilaginous joints</p>
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Diarthroses

<p>freely moveable; also called synovial joints</p>

freely moveable; also called synovial joints

<p>freely moveable; also called synovial joints</p>
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suture

<p>a synarthrosis joint</p>

a synarthrosis joint

<p>a synarthrosis joint</p>
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51
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pubic symphysis

<p>an amphiarthrosis joint</p>

an amphiarthrosis joint

<p>an amphiarthrosis joint</p>
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52
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plane joint

<p>short slipping or gliding; wrist</p>

short slipping or gliding; wrist

<p>short slipping or gliding; wrist</p>
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53
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hinge joint

<p>back and forth; knee or elbow</p>

back and forth; knee or elbow

<p>back and forth; knee or elbow</p>
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54
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pivot joint

<p>one bone rotates around another bone; radius and ulna</p>

one bone rotates around another bone; radius and ulna

<p>one bone rotates around another bone; radius and ulna</p>
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55
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condylar joint

<p>side to side; fingers</p>

side to side; fingers

<p>side to side; fingers</p>
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56
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saddle joint

<p>convex and concave areas; thumb</p>

convex and concave areas; thumb

<p>convex and concave areas; thumb</p>
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57
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ball-and-socket

<p>head of one bone fits into a cup-like cavity of another bone; hip</p>

head of one bone fits into a cup-like cavity of another bone; hip

<p>head of one bone fits into a cup-like cavity of another bone; hip</p>
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58
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Fibrous joint

bones connected by thick fibrous tissue; allows no movement

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cartilaginous joints

bones connected by cartilage; allows only slight movement

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60
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synovial joints

bones separated by a fluid-filled cavity; allows variety of motion

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61
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spongy bone, medullary cavity

Osteoclasts break down ______ of diaphysis to create _______

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Osseous tissue

bone tissue

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Ossification

formation/creation of bone in the body

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