The skeletal system
Card Set Information
The skeletal system
Chapter6 skeletal system
The skeletal system chapter6
There are _____ type of bones.
The _____ _____is the hollow area inside the diaphysis of a bone.
A thin layer of cartilage covering each epiphysis is the_______ _______.
The ________ lines the medulla cavity of long bones.
____________ is used to describe the process of blood cell formation
Blood Cell formation is a vital process carried on in ___ ____ ______.
red bone marrow
The _________ is a strong fibrous membrane covering a long bone except at joint surfaces.
Osteoporosis occurs most frequently in ____ ____ ____.
eldery white females
Bones serve as a safety-deposit box for _____, a vital substance required for normal nerve and muscle function.
As muscles contract and shorten, they pull on bones and thereby ____ them.
Needlelike threads of spongy bone
Dense bone tissue
Ends of long bones
outer covering of bone
fibers embedded in a firm gel
Ring of bone
Structural unit of compact bone
When the skeleton forms in a baby before birth it consists of _____ and _____ structures
cartilage and fibrous
The _____ are the ends of the bone.
Bone forming cells are known as ______.
It is the combined action of ______and ______ that sculpts bones into their adult shapes.
osteoblasts and osteoclasts
The stresses placed on certain bones during exercise ______ the rate of bone deposition.
The epiphyseal plate can be seen in both external and cutaway views of ______ long bones
The shaft of a long bone is known as the _______
_______ in the newborn becomes bone, when it is replaced with calcified bone matrix deposited by osteoblasts.
When epiphyseal cartilage becomes bone, growth ______.
The ______ ______ is visible, if present, on x-ray films.
What are the main part of the long bone
There are 6
Medullary cavity= the hollow are inside the diaphysis
epiphyses= the ends of the bone
articular cartilage = a thin layer of cartilage covering each epiphyses
periosteum=a strong fibrous membrane covering a long boneeverywhere except at joint surfaces.
endosteum= a thin membrane that lines the medulla cavity
what makes up the axial skeleton
what bones are considered cranial bones
___ ___ attach directly to the sternum by means of cartilage
The bone that runs along the lateral side of your forearm is_______.
The shinbone is also known as the_____.
The bones in the palm of your hand are called_______.
bones of the upper extremities
The heel bone is known as the_______
The mastoid process is part of the _____ bone.
when a baby learns to walk, the _____area of the spine becomes concave.
which bone is the "funny bone"
there are __ pairs of true ribs
The 27 bones in the wrist and the hand allow for more ______.
The longest bone in the body is the_____.
Distally, the ____. articulates with the patella.
The _______ bones form the cheekbones.
In a child, there are five of these bones. In an adult, they are fused into one.
The spinal cord enters the cranium through a large hole ( foramen magnum) in the_______bone.
freely movable joints are_____
The sutures in the skull are ______ joints.
All _____ joints have a joint capsule, a joint cavity and a layer of cartilage over the ends of the two joining bones
______ grow out of periosteum and attach two bones together.
The ______ _____ absorbs jolts.
Gliding joints are the _____ ______ of the diarthrotic joints.
The knee is the ______ joint.
Hinge joints allow motion in __ directions.
The saddle joint at the base of each of our thumbs allows for greater______.
When you rotate your head, you are using a ____ joint.
what is a function of bones
The 4 types of bones are;
Flat, irregular, short, and long
There are a total of ___ phalanges in the skeletal system
The last two ribs
are referred to as "floating ribs"
In an infant, each coxal bone consists of three seperate bone. Thes bones are:
Ilium, ischium, and pubis