Skeletal system
How many bones are in the adult human body?
206 bones
What is the scientific name for your shoulder bone?
scapula
Where would you find Compact bone?
Found in the dense outer layer of bones.
What is another name for articulations?
What is an Osteocyte?
A mature bone cell that maintains bone tissue
What are the two main divisions of the skeleton?
Axial and Appendicular
what is the membrane lining the medullary cavity called?
the endosteum
Where would you find spongy bone?
Found in the ends of long bones and inside flat bones.
What kind of joints is a synarthrotic joint?
Immoveable
What is an Osteoclast?
A cell that breaks down bone tissue.
What bones are included in the Axial part of the skelelton?
head, neck, trunk, vertebrae, ribs and sternum
What is the membrane that covers the surface of bones?
the periostenum
What are the parts of our skull that harden with age called?
Sutures
What kind of joint is an amphiarthrotic joint?
Slightly moveable joint like your vertebrae
what is the Haversian Canal?
Central canal in the osteon containing blood vessels and nerves.
What part of the bones are included in the appendicular part of the skeleton
limbs and bones connecting the limbs to the pectoral and pelvic girdle. ( scapula, clavicle, arms, coxal bones, and legs)
What is the proper term for a skeletal joint?
articulation
What are the three types of sutures on your head called?
Coronal, Sagittal, and Lambdoid
What kind of joint is a diarthrotic joint?
Freely moveable joint
What is the Canaliculi?
Tiny canals connecting lacunae, enabling nutrient and waste exchange
What are the three major functions of the skeletal system?
Body Movement, Blood Cell formation and Storage of inorganic materials
What are the two types of bone marrow and their functions.
Red Marrow-red blood cells, white blood cells and platelets
Yellow Marrow- stores fatty tissue
What are the two proper names of the parts of the jaw?
Mandible and Maxilla
give an example of a ball & socket and saddle joints
Shoulder/hip
thumb
What is the Lamella?
Layers of bone matrix in compact bone.