6
peter receives a blow to the front of the knee on the soccer field and collapses. The bruised bone is the
patella
the connective tissue sheat of cartilage is called the
perichondrium
the covering of the outer surface of none is the
periosteum
the growth spurt seen in puberty is triggered by
sex hormones
Bone growth at the articular cartilage is responsible for bone growth of
short bones
some flat and irregular bones of the skull have air filled spaces called
sinuses
which type of bone appears porous
spongy bone
Some marrow of long bones is termed "yellow" marrow under normal conditions. The function of yellow marrow is to
store adipose tissue
A band of connective tissue that attaches a muscle to a bone is a
tendon
the proportion of collagen to hyroxyapatite in bone determines
the strength of the bones
an example of a long bone would be
the tibia
what chemical stimulates interstitial cartilage and appositional bone growth
vitamin D
oseomalacia
a disease in adult from softenin gof bones
rickets is
a disease in children
osteogenesis imperfecta is
a group of genetic disorders producing very brittle bones that are easily fractured
haversian systems or osteons
are the basic units in compact bone tissue
what type of tissue covers the ends of long bones
articular cartilage
Ligaments attach
bone to bone
Four components of the skeletal system
bones, cartilage, tendons, ligaments
normal bone growth requires adequate amounts of ____, _____, and ___ in the diet
calcium, phosphate, vitamin D
chondroblasts produce
cartilage matrix
the type of lamalae that forms the outside surface of compact bone is
circumferenctial
woven bone
collagen fibers randomly oriented
which type of bone is considered dense bone?
compact bone
one effect of aging on skeletal system
decreased bone matrix and decreased collagen fibers
An X-ray determines that Peter fractured the shaft of his humerus. The break is in the _____________ of the bone.
diaphysis
osteoporosis is
disease in adults especially womens
long bones grow in length at the `
epiphyseal plate
what is the site of longitudinal growth in long bones
epiphyseal plate
what is the end of the long bone
epiphysis
bones that are classified as one of four types based on their shape . The bones of the cranium are examples of
flat bone
bones that are thin and have a broad curved share are classified as
flat bones
proteo molecules in the matrix of cartilage
give cartilage its resilient nature
a bone fracture in which the two bone sections do not separate is a
hairline fracture
The type of cartilage associated with bone function and development
hyaline cartilage
the compression strength of bone matrix is due to the presence of
hydroxyapatite crystals
what is the type of ossification that forms the flat bones of the skull
intramembranous ossification
lamellar bone
is organized into thin sheets of tissue
thin sheets of bone matrix
lamellae
Some marrow of long bones is termed "red" marrow. The function of red marrow is to
manufacture blood cells
what is the area where marrow is stored
medullary cavity
appositional growth deposits a new layer of bone
on the surface of the bone
the cell type that is responsible for maintaining bone once it has been formed is the
osteocyte
brittle bone disorder is another name for
osteogenesis imperfecta
A result of picking up a heavy object he fractured the radius and ulna of his right arm. X-rays indicated that he had severe osteoporosis. His blood calcium levels were above normal and the pathologist found cancer cells that produced a hormone-like substance. That substance was most likely
parathyroid hormone