Term
| What do bone and cartilage provide for the body? |
|
Definition
| Strong and flexible frame work for the body |
|
|
Term
| These connective tissues consist of _________, ___________ and ____________ ____________ of the components the last two fibres and ground substance, form the _________. |
|
Definition
| CELLS, FIBRES, GROUND SUBSTANCES, MATRIX |
|
|
Term
| Which is more rigid and forms a skeleton bone or cartilage? |
|
Definition
|
|
Term
| which forms most of the skeleton in young people bone or cartilage? |
|
Definition
|
|
Term
| What is cartilage composed of? |
|
Definition
| cells called CHONDROCYTES and a MATRIX |
|
|
Term
| Chondrocytes are located in the matrix in spaces called ___________ which contain one, two or four cells. |
|
Definition
|
|
Term
|
Definition
| a layer of dense irregular connective tissue containing fibroblasts |
|
|
Term
Just to know No Answer
*Chondrocytes are found in LACUNAE (in matrix)
*Perichondrium covers cartilage
*Chondroblasts = fibroblasts -> chondrocytes |
|
Definition
|
|
Term
| What function does bone serve? |
|
Definition
| Support, locomotion, protection, blood cell production and mineral (especially calcium) metabolism. |
|
|
Term
| Each bone is composed of two layers:the __________ layer and the__________ layer. |
|
Definition
|
|
Term
| The Inner layer of bone is made up of _____________ (cancellous) bone |
|
Definition
|
|
Term
| The deepest part of the bone is usually a cavity - the __________ or _________ cavity. which contains the ________________ or blood forming tissue. |
|
Definition
| MARROW, MEDULLARY, HEMATOPOEITIC |
|
|
Term
| In gross anatomy what are bones described as? |
|
Definition
| long or short (flat) bones |
|
|
Term
| what do the long bones make up most of and explain? |
|
Definition
| They make up most of the skeleton and have a specific structure and common orgins (cartilage) |
|
|
Term
| what do the short bones make up and explain. |
|
Definition
| the short (flat bones have a different origin and make up specialized bones |
|
|
Term
| The long bones consist of ______________ |
|
Definition
|
|
Term
| a long bone has as _____________ at each end |
|
Definition
|
|
Term
| the epiphyses makes up the _____________ (joint) surface of the bone and are seperated from the ___________ (in immature bone) by a growth plate of cartilage |
|
Definition
|
|
Term
| The growth plate is called ______________ and is responsible for the production of new bone and consequently for the __________ of the bone until growth ceases |
|
Definition
| EPIPHYSEAL PLATE, elongation |
|
|
Term
| bone(osseous tissue) like other connective tissue consists of _______________ cells and a matrix made up of __________ and ____________ substances |
|
Definition
| specilized, fibres, ground |
|
|
Term
| the outer surface of each bone is a connective tissue capsule - called the _________________ which looks much like perichondrium |
|
Definition
|
|
Term
| __________________ (cells) are located in _____________, which sit in the matrix in rows or concentric layers depending upon their location in the bone. |
|
Definition
|
|
Term
| This arrangement creates ___________ (sheets) in the tissue |
|
Definition
|
|
Term
| cells are ___________ and fill the ____________ |
|
Definition
|
|
Term
| Processes sit in very fine channels in the matrix called _____________. |
|
Definition
|
|
Term
| These canals contain blood vessels.... |
|
Definition
|
|
Term
| The units made up in this way is called an ______________ or _______________ |
|
Definition
| haversian system or osteon |
|
|
Term
| the very outer layer of the bone is arranged in a series of lamellae surrounding the shaft of the bone, these layers form the _______________ |
|
Definition
|
|
Term
| what does the spongy bone lack? |
|
Definition
|
|
Term
| The bone is arranged in a series of branching ____________ creating an open network |
|
Definition
|
|
Term
| what contains calcium phosphate which gives the tissue strength and rigidity?It also accounts for what percent of weight of the tissue? |
|
Definition
| GROUND SUBSTANCE, and 65% |
|
|
Term
| These are responsible for the constant remodelling of bone and for the uptake and the redeposition of calcium |
|
Definition
|
|
Term
| what are OSTEOCLASTS and explain? |
|
Definition
| large multinucleated cells containing acids which dissolve bone matrix hence release calcium and phosphate into the blood stream |
|
|
Term
| what does OSTEOBLASTS do? |
|
Definition
|
|
Term
| what is the bone development process called? This happens in 2 ways what are they? |
|
Definition
OSSIFICATION
1. INTERMEMBRANOUS OSSIFICATION
2. ENDOCHONDRAL OSSIFICATION |
|
|
Term
| what do flat bones utilize? |
|
Definition
| INTRAMEMRANOUS OSSIFICATION |
|
|
Term
| _______________ differentiates from _____________ usually within deep layers of the skin |
|
Definition
|
|
Term
| _____________ form a cluster and secrete the fiber components of the matrix and the calcium phosphate becomes deposited. |
|
Definition
|
|
Term
| What does Endochondral mean? |
|
Definition
|
|
Term
| Cartilage is replaced from the inside by developing what? |
|
Definition
|
|
Term
| This occurs in the shaft and in the ends. |
|
Definition
|
|
Term
| When joining the Epiphysis and the Diaphysis is the ______________________ _____________. |
|
Definition
|
|
Term
| The body uses these epiphyseal plates as a _________ for growth and they remain active in this function until all of the cartilage is used up and growth is completed. |
|
Definition
|
|
