Hormones & Remodeling
This hormone increases osteoclast activity.
What is the parathyroid hormone? (PTH)
A disease where bones become weak and fragile.
What is osteoporosis?
A visible epiphyseal plate means the patient is likely what age group?
What is a child?
This type of bone is dense and made of osteons.
What is compact bone?
The shaft of a long bone.
What is the diaphysis?
PTH raises blood calcium levels by doing this.
What is breaking down bone matrix?
The most common fracture in osteoporotic bones.
What is a compression fracture?
Damage to this plate can affect bone length.
What is the epiphyseal plate?
This type of bone is lighter and contains red bone marrow.
What is spongy (cancellous) bone?
The ends of a long bone.
What are the epiphysis?
Bone remodeling happens in response to this.
What are blood calcium levels?
A bacterial infection of bone.
What is osteomyelitis?
Injury to one growth plate may cause this.
What is impaired bone growth?
Compact bone is organized into these structural units.
What are osteons?
The smooth covering found at joint surfaces.
What is articular cartilage?
Osteoblasts do this after osteoclasts break down bone.
What is rebuild new bone?
Bone cancer common in long bones.
What is osteosarcoma?
The part of the bone shaft seen on an x-ray.
What is the diaphysis?
Spongy bone does not have these structures.
What are osteons?
This membrane lines the medullary cavity.
What is the endosteum?
Remodeling helps bones do this over time.
What is stay strong and adapt to stress?
Vitamin D deficiency causing soft bones.
What is osteomalacia? (Rickets)
How can doctors tell age from bone x-rays?
What is growth plates are present or absent?
One key difference between compact and spongy bone.
What is compact bone is dense and strong, and spongy bone is porous and supports marrow?
The area where bone diameter increases during growth.
What is the periosteum?