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51 Cards in this Set
- Front
- Back
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what are the two bone types
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commpact bone and spongy bone
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what is compact bone made of
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hard material-osteons
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where is compact bone found
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the shaft of long bones and the outside surface areas of other bones
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where are osteocytes located
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lacunae
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what lines all bones
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periosteum
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what does spongy bone consist of
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trabeculae
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in order from top to bottom name the parts of a long bone
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epiphyis
metaphysis diaphysis metaphysis epiphysis |
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what is the diaphysis composed of
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compact bone
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what is the epiphyses made up of
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spongy bone
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where are red blood cells formed
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in the epiphysis
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what is the metaphysis
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the area where diaphysis meets the epiphysus
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what is in the metaphysis
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the epiphyseal line
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what is the epiphyseal line
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remnant of cartilage from growning bones
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what is the open area within the diaphysis called
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medullary cavity
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what is inside the medullary cavity
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adipose tissue
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what does the adipose tissue inside the medullary cavity do 2 things
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stores lipids and forms the yellow marrow
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what cartilage covers the epiphysis
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articular cartilage
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what does the periosteum contain
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osteoblast, osteoclast, nerver fibers, and blood and lymphatic vessels
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what is attached to the periosteum
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ligaments and tendons
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spongy bone tissue is encircled by a thin layer of compact bone tissue is found where
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in short and irregular bones
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in flat bones where is the spongy bone found
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between layers of compact bone tissue
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what covers the inside of the bone the trabeculae
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endosteum
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which bones contain red marrow
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ribs vertebrae hip sternum
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where does hematopoiesis occur
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red bone marrow
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intramembranous ossification occurs when which membranes are what
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fibrous membranes are replaced by bone tissue
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which bones undergo intramembranous ossification
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flat bones
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when does endochondral ossification occur with what tissue
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when hyaline cartilage is replaced by bone tissue
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what are the functions of the skeletal system
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protect and support
stores crucial nutrients, minerals, and lipids produces blood cells movement |
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where are lipids stored
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in adipose cells of the yellow marrow
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where are sesamoid or round bones found
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embedded in tendons
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give an example of sesamoid or round bone
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kneecap
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wormian bones occur where
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sutures of the cranial bones
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what is the process of creating new bone and removing old bone
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remodeling
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how many bones are there in the human body
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206
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what are the axial skeleton composed of
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vertical axis of the skeleton
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appendicular skeleton make up what
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the limbs
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how many bones in the axial skeleton
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80
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how many bones in the cranium
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8
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how many facial bones
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14
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which bone is isolated from all other bones
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hyoid
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what are the ear ossicles named
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malleus incus and stapes
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how many ear bones
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6
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how many bones in the vertebral colum
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26
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how many bones in the appendicular skeleton
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126
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what does the skull consist of
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8 cranial bones and 14 facial bones
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how many pairs of ribs do we have
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12
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WHAT Is the rib cage comprised of
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7 pairs of true ribs attached to sternum
three pairs of false ribs that attach to the rib directly above them two pairs of flase ribs that do not attach to anything |
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what is a synarthrosis joint
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no movement
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amphiarthrosis joint
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slight movement
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diarthrosis joing
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freely movable joint
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what is a diarthrosis joint always
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a synovial joint
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