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chapter 7 Bone Tissue
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Intramembranous
produces flat bone of skull & clavicle
2 kinds of marrow
yellow & red
red marrow cavity
In child
*described as hemopoetic tissue (produces blood cells)
osteon (harvesian system)
structural unit of compact bone
yellow bone marrow
in adults
*does not produce blood cells
bone marrow
soft tissue that occupies the marrow cavity of long bone
with out proteing the bone is_____?
brittle
*brittle bnone diesease
Protein componet gives bone___?
flexibility
Rickets
softness of bones in kids
osteomalacia
softness of bones in adults
Calcitriol
form of vitamin D
produced by skin. liver, kidneys
behaves as hormone
Interstitial growth
enlongaton by length
appositional growth
wider
increase in diameter
Medullary/marrow cavity contains _____?
*
hints marrow cavity
bone marrow
Medullary/ Marrow cavity
(compact bone)
shell enclosed in the medullary space
Mineralization/ calcification
hardening process
Ligments
bones to bones
*holds bones together
Tendons
bones to muscles
nutrient foramin
minute holes
*^where blood vessels penetrate into
Periosteum
bone covered with a sheath
Diaphysis
shafts of long bones
Spongy bone (cancellous)
loosely organized form of osseous tissue
tetany
inability of muscles to relax
Solubility product
critical value
hypocalcemia
to little calcium
hypercalcemia
to much calcium
Epiphysis
expanded head at each end
articular cartilage
layer of hyaline cartliage where bone meets bone
lacunae
tiny cavities interconnected by slender channels(
canaliculi)
compact bone (dense/lamellar)
outer shell of dense white osseous tissue
Diploe
spongy layer in cranium
Epiphyseal
in kids
seperates marrow spaces of epiphys and diaphysis
(growth plate)
endosteum
layer of reticular tissue
lines internal marrow cavity
Perforating (sharpey) fibers
tendons that penetrate in bone matrix come as this
concentriclamella
layers of matrix arranged around
central canal
Perforating (Volkamann) canals
transverse or diagnol passages that join central canals
Central (haversian or osteonic) canal
connected with concentric lamella by canaliculi
Mineral deposition
Crystallization process
Calcium, phosphate and ions taken from blood plasma
6 roles skeleton plays
(shon predicted many eclipses around birmingham)
support
protection
movement
electrolyte balance
acid-base balance
blood formation
4 types of bones
Osteogenic
Osteoblasts
Ostecytes
Ostoclasts
4 healing process stages
formation of hematoma & granulation tissue
formation of a soft callus
conversion to hard callus
remodeling
8 carpal bones
schapoid
lunate
triquetrum
pisiform
trapezium
trapezoid
capitate
hamate/hamulus
Carpal bones in proximal row
scaphoid
lunate
triquetrum
pisiform
capal bones in lateral row
trapezium
trapezoid
capitate
hamate/hamulus
Matrix of osseous tissue is by?
dry weight
osteoclasts
bone dissolving cells on bone surface
oseocytes
reside in lacunae(tiny cavities)
osteoblasts that become trapped in matrix they deposit
Osteoblasts
bone forming cells
Osteogenic cells
stem cells
osseous tissue
connective tissue in matrix
Endochondral ossification
precided by hylaine cartilage replaced by osseous tissue
Etopic ossification
abnormal calcification of tissue
Ossification
doesn't end birth
continues through life
meaning- growing of bones
Long bones
Important in bodys movement
*limbs
Short bones
equal in width and length
produce limited gliding movement
*wrists ankles
Irregular bones
dont fit into other categories
Flat bones
thin curved plates
*most cranium bones
Author
roper.jessica
ID
106992
Card Set
chapter 7 Bone Tissue
Description
bone tissue definitions
Updated
2011-10-07T00:17:00Z
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