connect chapter 7
How can diaphysis be described
the shaft of a long bone
calcitriol acts on which organs to raise blood calcium levels
1. bones 2. kidneys 3. small intestines
which two ions are deposited by osteoblast into the bone matrix
1. calcium 2. phosphate
what are the two terms associated with the myeloid tissue
1. hemopoietic tissue 2. red bone marrow
which of the following are function osteocytes
1. resorb bone 2. deposit bone 3. strain sensors
True or False Spongy bone is primarily made up of osteons
False
bone tissue comprised of trabeculae is called what
Spongy bone and it is also called cancellous
when braces apply stress to the teeth causing remodeling of the jaw bones, this an example of
Wolff's law of bone
how is the medullary cavity best described
a hollow cavity within the diaphysis of a long bone
which of the following describes the structure of a flat bone
a layer of spongy bone is sandwiched between two layers of compact bone
where is red bone marrow found in the bones of a child
almost all bone
what describes a nutrient foramen
an opening into the surfaces of a bone which allows the passages of blood vessels into bone tissue
within compact bone, a central canal is found at the center of which structure
an osteon
which type of bone growth involves the deposition of new tissue on the surface
appositional
what is the function of red bone marrow
blood cell production
in osseous tissue, the narrow channels connecting neighboring lacunae are called
canaliculi
what is the name for a channel that extends vertically through the center of an osteon
central canal
what is a former chondroblast that has become enclosed within a lacuna in a cartilage
chondrocyte
which of the following best describes perforating fibers
collagen fibers from the periosteum that firmly adhere the periosteum to the bone
which osseous tissue is found on the surface of bones and composed of tightly arranged parallel osteons
compact
bone tissue made up of parallel osteons that are tightly packed together is called
compact bone
the layers of bony matrix arranged around the central canal of an osteon are called
concentric lamellae
what is the term for the bone tissue located between the two layers of compact bone is the skull
diploe
the layers of reticular connective tissue lining internal surfaces of a bone is called
endosteum
the structure found between the epiphysis and diaphysis in a child and is a cite of bone growth is the
epiphyseal plate
what is the expanded end of a long bone to which tendons and ligaments attached called
epiphysis
True or False Osteoclast are not needed for bone remodeling
false
True or False Osteocytes and osteoclasts develop from the same type of bone marrow stem cells
false
True or false an athlete will have a lower bone density than a couch potato
false
bones are classified as one of four types based on their shape. the bone of the cranium are examples of
flat bones
bones that have a broad curved shaped are classified as what
flat bones
what is the function of the osteogenic layer of the periosteum
growth and healing
what is another name for central canal
haversian canal
what is blood cell formation called
hemopoiesis
articular surfaces are covered with which tissue
hyaline cartilage
the inorganic matter that is about 85%
hydroxyapatite
if a patient has abnormally high blood calcium levels, they are said to have a condition called
hypercalcemia
what does the hormone calcitonin do
inhibits osteoclasts and stimulates osteoblasts
an increase in the length of a bone occurs by the process of
interstitial growth
partial older osteon can be found between complete newer osteons. these partial osteon are referred to as
interstitial lamellae
bones that have elaborate shapes are classified as
irregular bones
what are the layers of bony matrix in compact bone tissue called
lamellae
bones that are longer than they are wide are classified as
long bones
the transitional area between the shaft and the cartilaginous head of a developing long bone is called
metaphysis
the process of bone formation is called
ossification
which bone cells produce the soft organic bone matrix
osteoblast
as spongy bone is produced by intramembranous ossification, which cells reabsorb and remodel the forming bone
osteoclast
bone dissolving cells on bone surfaces are called
osteoclast
stem cells in developing bone that give rise to osteoblast are called
osteogenic cells
during intramembranous ossification, osteoblast secrete a soft collagenous tissue know as
osteoid tissue
a hormone is secreted and produced by a the parathyroid glands
parathyroid hormone
a low blood calcium level stimulates the release of which hormone
parathyroid hormone
which channel run perpendicular to the central canals of osteons
perforating canals
the connective tissue surrounding the external surface of a bone is called
periosteum
in adults, which bone marrow is limited to the axial skeleton, pectoral and pelvic girdles and proximal heads of the humerus and femur
red bone marrow
what is the process of dissolving bone and releasing minerals into the blood called
resorption
the interior of flat bones is composed of what bone
spongy bone
which structures found in spongy bone line up along the bone's lines of stress
trabeculae
true or false Once "closed" or ossified, growth in length no longer occurs at an epiphyseal plate
true
fatty bone marrow that no longer produces blood is called
yellow bone marrow