Cartilage
Where is cartilage found in the body?
Ears, nose, joints, and voice box. provides support and cushioning.
Why are bones considered organs?
They are made up of multiple tissue types
What is the difference between facial bones and the cranium?
Facial bones form the face, and the cranium protects the brain
What makes up the thoracic cage?
12 pairs of ribs, the sternum, and the thoracic vertebrae that protect vital organs.
What are carpals, metacarpals, and phalanges?
carpals are your wrist bones (flexibility and small movements), metacarpals are your hand bones (form the palm), phalanges are your finger bones (grasp and move objects)
What are chondrocytes
Cartilage cells that live in cavities called lacunae
What are the four main bone cells?
Osteopregenitor cells, osteoblasts, osteoclasts, and osteocytes
What are sutures in the skull
Joints that connect cranial bones like puzzle pieces
What bones form the pectoral girdle
Clavicles (shoulder bones) and scapulae (shoulder blades)
What three parts fuse to form each hip bone?
llium (top), ischium (bottom), and the pubic (front)
What is the extracellular matrix
A jelly-like substance that gives cartilage strength and flexibility.
What are the four bone shapes
Long (femur), short (wrists), flat (skull), irregular (vertebrae)
What is the hyoid bone?
'Floating island" bone in the neck that supports speech and swallowing.
What is the function of clavicles and scapulaes
Clavicles connect the sternum to scapulae and scapulae are triangular shields for muscle attachment.
What is the femur
The thigh bone, longest and strongest bone in the body
What is lacunae
Little tiny cave dwellers that hold the chondrocytes.
What is compact and spongy bone
Compact is strong and solid (castle), and spongy is light but strong (honeycomb)
What are the five regions of the spine
Cervical= Breakfast, Thoracic= Lunch, and Lumbar= Dinner. Coccyx and Sacrum= 1
What is the humerus bone
Upper arm bone
What do the tibula and fibula do
Shin bones that support weight and movement
What does ECM act as?
A shock absorber
What do osteoprogenitors do?
They act as bone stem cells that can develop into new bone cells
What are the main parts of a typical vertebra
Body, arch, processes, and foramen (hole)
what do the radius and ulna do
Forearm bones that worl like chopsticks for rotation
What are the tarsals and metatarsals?
Ankle bones (hinge movement) and tarsal bones are your foot bones (form the arch for support)