muscoskeletal system. Flashcards
(54 cards)
Bone is a type of what tissue?
connective
How many bones do adults normally have?
206
How many bones are babies born with?
300 to 350 bones
What is an osteoblast?
bone-building cell
What is an osteoclast?
bone destroying cell
What is an osteocyte cell?
cell that lies within the substance of the fully formed bone
What is an osteoprogenitor cell?
stem cell whose divisions produce osteoblasts
What is the diaphysis?
shaft of a bone
What is the epiphysis?
ends of bone
What are the two types of bone tissue?
compact and spongy
What is cancellous bone tissue also known as?
spongy
What are long bones?
longer than they are wide
What are irregular bones ?
bones that do not fit one of the preceding categories
What are short bones?
cube shaped bones of the wrist and ankle
What are sesamoid bones?
bones that develop from tendons
What are flat bones?
thin, flat, slightly curved
Give examples of flat bones?
skull, ribs, sternum
Give examples of irregular bones?
vertebrae and hip bones
Give examples of long bones?
femur, humerus
Give examples of sesamoid bones?
patella and pisiform
Give examples of short bones?
carpals and tarsals
What is the axial skeleton?
skull, vertebral column, rib cage
How many bones in the axial skeleton?
80
What is the spine also known as?
vertebral column