Quiz: Skeletal System, Chapter 6 Flashcards
The resilience of bone is primarily due to…
Sacrificial bonds in or between collagen molecules
The inner layer of the periosteum consists primarily of …
Osteoblasts and osteoclasts
Primary vs. Secondary ossification centers…
1) Prenatal development, found in the diaphysis of long bones and body of irregular bones
2) Postnatal development, epiphysis of long bones
Single most important stimulus for plate activity during infancy and childhood…
Growth hormone (released by pituitary gland and moderated by thyroid hormones)
Tissue that is the forerunner of long bones in the embryo…
Hyaline cartilage
A deficiency of growth hormone during bone formation would…
Decrease proliferation of the epiphyseal plate cartilage
For Intramembranous ossification, an ossification center would form in…
Fibrous connective tissue
In the epiphyseal plate, cartilage grows…
By pushing the epiphysis away from the diaphysis
Cranial bones develop…
Within fibrous membranes
In some children, the epiphyseal plate in the long bones of children closes too early on account of…
Elevated levels of sex hormones
An incomplete fracture or cracking of the bone without actual separation of the parts. Common in children.
Greenstick fracture
Bone fragmented into many pieces.
Comminuted fracture
Common sports fracture resulting from a twisting force.
Spiral fracture
Required for bone growth or healing from a fracture are…
Osteoblasts
Required for bone resorption are…
Osteoclasts
