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Skeletal System - Coggle Diagram
Skeletal System
Markings
process
sinus
foramen
fovea
meatus
canal
condyle
fossa
suture
Histology
osteocytes
lamellae
central canal
canaliculi
osteon
matrix
lacunae
Bone Shapes
long
flat
short
irregular
sesamoid
suteral
Long Bone Anatomy
periosteum/endosteum
compact/spongy
articular cartilage
trabeculae
epiphysis/diaphysis
medullary cavity
red marrow
yellow marrow
Function
blood cell production
protection
storage of minerals & lipids
leverage
support
Cytology
osteoblasts - osteogenesis/ossification
osteoclasts - remove bone matrix
osteogenic cells - maintain osteoblast numbers
osteocytes
mature bone cells
maintain mineral homeostasis
repair bone damage
Homeostasis
LOW BLOOD CALCIUM LEVELS
parathyroid hormone released from parathyroid
increase calcium absorption in intestines
decrease calcium excretion by kidneys
stimulate osteoclast activity
calcitonin & parathyroid hormone balance
digestive tract
kidney
bones
blood calcium homeostasis
HIGH BLOOD CALCIUM LEVELS
calcitonin released from thyroid gland
decrease osteoclast activity
decrease calcium absorption in intestines
increase calcium excretion by kidneys
Bone Health
nutrition
vitamins
minerals
exercise
hormones
thyroxine
calcitonin
growth hormone
sex hormones
calcitriol
parathyroid hormone
Ossification
Endochondral
replacement of hyaline cartilage with bone
typical in long bones
Two ossification centers
diaphysis (first)
epiphysis (second)
Intramembranous
typical in flat bones
multiple ossification site concurrent
ossification in deep layer of dermis