skeletal exam Flashcards
define Osteoprogenitor cell
Stem cells
undergo mitosis
define Osteoblasts
Immature bone cells, make up part of the matrix
define Osteocytes
Mature cells, maintain the matrix
define Osteoclasts
Large multinucleated cells that have lyosome responsible or breaking down the bone
define Hydroxyapatite crystals
Hard mineral salts- Ca2+
hard
define Osteoid
Collagen protein fibers made by osteoblast
strong and flexible
define Trabeculae
Thin bony plates
define lamellae
Concentric rings of the matrix
define lacunae
Hold osteocytes
define caniliculi
Channels in the matrix that come off the lacunae allows
cells to communicate
define osteon
Long cylindrical haversian systems
define interstitial lamellae
Remnants of old osteon
define circumferential lamellae
define volkmanns canals
Run perpendicular to central canals of osteons
define endosteum
Lines marrow cavities
contains: simple squamous epithelium
osteoprogenitor cells
define periosteum
Goes around outside of bone
has fibrous and cellular layers
define diaphysis
define epiphysis
define metaphysis
define epiphyseal plate
define epiphyseal line
define osteogenisis
Bone development process of ossification and calcification
define calcification
Puts mineral salts into bone
define primary center of ossification
define secondary centers of ossification
define simple fracture
Closed
not exposed
define compound fracture
Open bone is exposed
define synarthrotic
define amphiarthrotic
define diarthrotic
define flexion
define extension
define hyperextension
define dorsiflexion
define plantar flexion
define abduction
define adduction
define rotation
define circumduction
define pronation
define inversion
define supination
define eversion
define protraction
define retraction
define elevation
define depression
define luxation
define subluxation
define sprain
skeletal system functions
Structure/shape
support
protection
energy storage
mineral storage
site of hematopoiesis
what are the types of osseous tissue?
Spongy bone
compact bone
how does spongy look?
how does a compact bone look?
how are spongy and compact bone different from each other?
what makes a bone hard?
Mineral salts-
what makes a bone strong?
Collagen protein fibers
what is the organic part of the matrix?
Osteoid
types of ossification
Infamembranous
endochondral
what is the inorganic part of the matrix?
Hydroxyapatite crystals
Types of bones based on structure?
Flat
short
irregular
sutural bone
sesmoid
Explain the process of endochondral ossification
Start with hyaline Cartilage model
……funish
explain the process of intramembranous ossification
Start with messenchyme
stimulates to become osteoprogenitor cells
become osteoblast
become osteoid
List the types of bone growth
oppisitional
longittudal
List the zones of the epiphyseal plate in order from epiphysis to diaphysis
List the factors that affect bone development and growth
Calcium
vitamin D
vitamin C
vitamin A
Vitamin K
vitamin B12
thyroxine
growth hormone
sex hormones
perathyroid hormone
stress on bones
sleep
Types of bone disorders
Rickets
Osteomalacia
Gigantism
Acromegaly
Pituitary dwarfism
Marfan’s syndrome
Achondroplasia
Osteogenesis imperfecta
Osteoporosis
Osteomalacia
Rickets
Gigantism
Acromegaly
Pituitary dwarfism
Achondroplasia
Marfan’s syndrome
Osteogenesis imperfecta
Osteoporosis
List the risk factors for osteoporosis.
types of fractures
Comminuted
Compression
Spiral
Epiphyseal
Depressed
Greenstick
List the steps in fracture repair
List the different things that the skeleton can tell you about the person it used to belong to
What is the difference between a primary and secondary curvature?
What is the difference between a fontanel and a suture?
What are the primary and
secondary curvatures?
Explain the differences between female and male pelvises
List the different types of articulations based on structure
List the types of fibrous articulations
List the different types of articulations based on the amount of movement allowed.
List the parts of a synovial joint
List the types of cartilaginous articulations
List the types of synovial articulations,
List the types of arthritis,
give examples of a flat bone
give examples of a short bone
give an example of a irregular bone
give examples of a sutural bone
give examples of a sesmoid bone
explain oppositional bone growth
explain longittudal bone growth