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Disorders - musculos

Musculoskeletal Disorder - Pathophysiology Class

What does the skeletal system provide protection for Viscera(heart and lungs) Fragile structures (brain and spinal chord)
What important metabolic functions do bones have functions related to calcium metabolism and storage, and to hematopoiesis.
What bones have a long hollow shaft with bulbous ends Long bones, such as the humerus and femur
Describe short bones Short bones are generally square-like in shape and are found in the wrist and angle.
Describe Flat bones Flat bones occur in the skull and are relatively thin and often curved.
Describe Irregular bones Irregular bones have many projections and vary in shape, are found in the vertebrae and mandible.
What do the unique markings, which may be lines, ridges, processes, or holes on bones provide for They provide for the attachment of tendons or passage of nerves and blood vessels.
Bones are living connective tissue consisting of what intracellular matrix and bones cells
What is the matrix organized in microscopic structural units call Haversian systems or osteons
What surrounds the haversian canal rings of matrix(lamelae)
What does the haversian canal contain blood vessels
What is the matrix composed of collagen fibers and calcium phosphate salts
What Lies between the rings of matrix (lamellae) that surround the Haversian canal Mature bones cells or oseocytes in spaces called lacunae
What is new bone constantly being produced by osteoblasts
What produces the resorpton of old bone osteoclast activity
What is the job of the osteogenic or bone-producing cells, and the osteoblasts they synthesize collagen and protein fr the matrix and promote calcification.
What are the two types of bone tissue compact bone cancellous or spongy bone
What is compact bone very strong rigid structure that form the outer covering of bones
What is cancellous or spongy bone forms the interior structure of bones, lacks haversian systems.
What is diaphysis Think shaft, between two larger ends or epiphysis
What makes up a diphysis compact bone
What is the metaphysis The area where the shaft broadens into the epiphysis.
What is the epiphysis composed of spongy bone covered by compact bone
What facilitates movement at points of articulation between bones hyaline cartilage located at the end of each epiphysis
when does longitudinal bone growth cease when the epiphyeal plate ossifies during adolescence or early adulthood
Under the influence of what factor will bone change density and thickness at any given time hormones such as growth hormone, parathyroid hormone, or cotisol
Aging accentuates bones loss resulting in what decreased bone mass and density
bone is also covered by periosteum, which is what fibrous connective tissue
What does the periosteum contain osteoblasts, blood vessels, nerves, and lymphatics.
Waht is the medullary cavity lined with endosteum
At birth what does the medullary cavity contain red bone marrow in which hematopoiesis takes place, gradually yellow bone marrow replaces red bone marrow
In adults where is red bone marrow found cranium, bodies of the vertebrae, ribs, sternum, and ilia
Created by: Mickensg



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