Question | Answer |
BONE FORMATION IS CALLED | OSSIFICATION |
PERIOD OF OSSIFICATION | EMBRYO TO ADULT |
WHAT IS OMBRYO SKELETON COMPOSE OF | FIBROUS CONNECTIVE TISSUE
MESENCHYME
HYALINE CARTILAGE |
OSSIFICATION CREATES CHANGES IN SKELETON STRUCTURE in which way | REPLACES FIBROUS CONNECTIVE TISSUE AND CARTILAGE WITH BONES |
WHEN DOES OSSTIFICATION BEGINS IN EMBRYO | AT 8 WKS |
2 TO TYPE OF OSSTIFICATIONS | INTRAMEMBRANOUS OSSTIFICATION
ENDOCHONDRIAL OSSTIFICATION |
WHERE DOES INTRAMEMBRANOUS OSSTIFICATION OCCUR | BONE FORMS WITHIN FIBROUS CONNECTIVE TISSUE |
WHICH 2 PLACES DOES INTRAMEMBRANOUS OSSIFICATION OCCUR | SURFACE OF SKULL AND CLAVICLES |
WHAT FORMS OSSTIFICATION CENTER | CLUSTERS OF OSTREOBLAST |
OSTEOBLAST SECRETES | OSTEOID MATRIX WITH COLLAGEN FIBERS |
WHAT HELPS FORM SPONGY BONE | CALCIUM DEPOSITED IN OSTEOID BTW BV |
WHERE DOES COMPACT BONE GROWS | AT SURFACE |
MESENCHYME SURROUNDING COMPACT BONE BECOMES | PERIOSTEUM |
WHAT BONES UNDER-GO ENDOCHONDRIAL OSSTIFICATION | ALL BONES EXCEPT SKULL |
CARTILAGE BONE MODEL REPLACED BY BONE THRU WHICH OSSTIFICATION | ENDOCHONDRIAL OSSTIFICATION |
WHAT SURROUNDS CARTILAGE MODEL | PERIOSTEUM |
WHERE IS BONE COLAR DEPOSITED | AROUND SHAFT OF BONE MODEL |
PRIMARY OSSTIFICATION CENTER FORMS WHAT | DIAPYSIS |
AFTER PRIMARY OSSTIFICATION CENTER ENDS | CARTILAGE CELLS IN DIAPHYSIS DIES AND MATIX DISINTEGRATES |
WHAT REMODELS DIAPYSIS INTERIOR DURING PRIMARY OSSIFIFCATION | OSTEOBLAST/OSTEOCLAST |
THIS REMODELING DONE BY OSTEOBLAST AND OSTEOCLAST FORMS | SHAFT WALL AND MEDULLARY CAVITY IN THE DIAPHYSIS |
WHAT FORMS SPONGY BONE IN EPIPHYSIS | SECONDARY OSSTIFICATION CENTERS |
EPIPHYSEAL PLATE | INCREASES LENGTH |
EPIPHYSEAL PLATE IS FORMED BY | HYALINE CARTILAGE AT JUNCTION OF DIAPHYSIS AND EPIPHYSIS IN LONG BONE |
WHERE IS EPIPHYSEAL PLATE LOCATED | AT JUNCTION OF DIAPHYSIS AND EPIPHYSIS IN LONG BONE |
WHERE IS NEW CARTILAGE FORMS WHERE | ON EPIPHYSIS SIDE OF PLATE |
WHAT HAPPENDS ON THE DIAPHYSIS SIDE OF THE PLATE | BONE REPLACES CARTILAGE |
HOW IS DOES EPIPHSEAL PLATE THICKNESS REMAINS CONSTANT | BECAUSE IT IS REPLACE AT THE SAME RATE |
ELONGATION OF EPIPHYSEAL PLATE CONTINUES UNTIL | EARLY ADULT |
WHEN ELONGATION OF EPIPHYSEAL PLATE IS STOPPED | LONG GROWTH STOPS ALSO |
WHEN ELONGATION STOPS WHAT OCCURS | EPIPHYSEAL CARTILAGE IS REPLACED BY BONE |
WHAT FORMS WHEN EPIPHYSEAL CARTILAGE IS REPLACE BY BONE | EPIPHYSEAL LINE |
DURING ENDOCHONDRIAL OSSTIFICATION BONE WILL WIDEN AS | THEY LENGTHEN |
ANOTHER TERM FOR BONE LENGHT IS | APPOSITIONAL GROWTH |
WHAT ADDS BONE TO EXTERIOR SURFACE | OSTEOBLASTS |
WHAT REMOVES BONE FROM INTERIOR SURFACE | OSTEOCLASTS |
ADDING BONE TO EXTERIOR SURFACE AND REMOVING FROM INTERIOR SURFACE OCCURES | AT THE SAME RATE |
WHEN ADDING BONE TO EXTERIOR AND INTERIOR SURFACE ALSO OCCURS | WIDTH OF BONE INCREASES |