L13 Flashcards
How many bones are there
206
What are the two major classes of skeletal divisions
1)axial(80): skull, thoracic, veterbral column
2) appendicular (126): upper, lower limbs - pectorial - pelvic girdle
Classifications of bones according to structure include
Compact and spongy
Classification of bones according to shape include
Long short flat and irregular
Classification of bones depending on development include
Membranous and cartilaginous
Solid mass dense and hard 
Compact bone
Forms the outer layer of bone structure
Compact bone
Haversian system is its functional unit
Compact bone
Contains space filled with red bone marrow
Spongy bone
Its structure is characterized by diaphysis and epiphysis
Long bone
Filled with yellow bone marrow, has a canal at the center and periosteum
Long bone
Give seven examples of long bone
Humerus
femur
tibia
fibula
radius
ulna
phalanges
Is cuboidal in shape
Short bone
1 thin coat of compact bone covering spongy bone
Short bone
Give four examples of short bone
Patela
carpals
tarsals
sesamoid
This type of bone is for protection and muscle attachment
Flat bone
Too thin layers of compact bone in closing a thin layer of spongy bone
Flat bone
Give four examples of flat bone
Sternum
scapula
ribs
bones of the skull
Give three main examples of irregular bone
Vertebra
sacrum and coccyx
starts as fibrous membrane, calcium gradually deposited until structure becomes ossified
Membranous
Give two examples of membranous bones
Bones of the skull and mandible
Membraneous bones becomes ossified by ___ Ossification
Intramembranous