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Bone structure
study guide for bone structure
15
Anatomy
Undergraduate 1
02/04/2013

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Cards

Term
How many bones are in the human body? How many are in the axial skeleton and the appendicular skeleton?
Definition
There are 206 bones all together , 80 in the axial ,126 in the appendicular skeleton.
Term
Irregular bones have what shape?
What are some examples of them.
Definition
Irregular bones are complex shapes, examples of them would be the vertebrae, bones of pelvis, and facial bones.
Term
What bones are small, flat and shaped like a sesame seed? The develop in tendons of the knee, hands and feet.
Definition
Sesamiod bones
Term
Short bones are small and ____? What are some examples ?
Definition
boxy
The examples would be bones in the wrist and the ankles.
Term
What are the skull surface features?
Definition
canal or meatus (large passageway)
process(projection or bump)
Sinus (chamber within bone, usually filled with air)
Foramen (small rounded passageway)
Fissure (elongated cleft or gap)
Term
What are the humerus surface features?
Definition
Head (expanded proximal end that forms part of joint)
Tubercle (small, rounded projection)
sulcus (deep, narrow groove)
tuberosity (Small, rough projection; may occupy broad area)
diaphysis (shaft;elongated body)
trochlea(smooth,grooved articular process)
condyle (smooth,rounded articular process)
Term
What are the femur surface features?
Definition
Trochanter (large,rough projection)
Neck(narrow connection between head and diaphsis)
Diaphsis
Fscet (small , flat articular shape)
Condyle
Term
What are pelvis surface features?
Definition
Crest (prominent ridge)
fossa (shallow depression or recess)
Line ( low ridge; more delicate than crest)
spine (pointed or narrow process)
Ramus (extension that makes angle with rest of the structure).
Term
List the major parts of a long bone?
Definition
Epiphysis, metaphysis, diaphysis, bone vasculature,periosteum features
Term
What are the four bone cell types?
Definition
Osreocytes cells
Osteoblast cells
Osteoprogenitor cells
Osteoclasts
Term
Clacium phosphate accounts for ___ bone weight?
Definition
2/3
Term
Circumferential lamellae what is the deffition
Definition
outer and inner surfaces of compact bonr layer.
Term
What is the outermost layer of a typical long bone?
Definition
Periosteum
Term
What is the innermost later of a typical long bone?
Definition
Spongy bone
Term
Where is the spongy bone located?
Definition
It is located where bones are not heavily stressed or in many directions.
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