CH 6: AP Skeletal/Joints Flashcards
How many bones in the body?
206
What are the two inorganic mineral salts of bones?
Calcium and phosphorus
Define compact bone.
Hard outer shell
Define cancellous tissue.
Inner spongy, porous portion
Define medullary canal.
Center of the bone
Where is marrow?
Medullary canal
Define articular cartilage.
Smooth, glossy tissue that forms the joint surfaces
Where is the pain felt in a bone fracture?
Periosteum
Define diaphysis.
Elongated, cylindrical portion
Define epiphyses.
Ends of bones
Examples of long bones.
Femur and humerus
Examples of short bones.
Wrist and ankle
Examples of flat bones.
Skull, sternum, and scapula
Examples of irregular bones.
Vertebrae, mandible, pelvic
What does the axial skeleton consist of?
Skull, vertebral column, thorax
How many bones in the skull?
28 bones
How many bones form the framework of the head and provide protection for the brain?
22 bones
What are the seams where the skull bones join called?
Sutures
How many major bones make the cranium?
8 bones
What is included in the frontal bone?
Front part of the skull above the eyes, including forehead and part of the nasal cavity
What age is the frontal bone fused?
5 or 6 years old
Where is the zygomatic process of the temporal bone?
Projects out into the zygomatic bone of the face and forms the lateral part of the zygomatic arch
How many bones make up the face?
14 stationary bones and one mandible
Define the vertebral foramen.
Hole directly behind the body of the vertebrae that forms the passage for the spinal cord
How many cervical vertebrae are in the neck?
7 cervical vertebrae
