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cell interactions and ooplasmic determinantsmicroscopic observations of egg cytoplasm suggests that it is not homogenous in appearance the observable
analysis of developmental potency of nucleithe instances given above and many other observations and experimental results of this nature provide
formation of notochord and somitesthe formation of notochord and somites from the transplanted dorsal lip was supposed these are normally derived
embryonic induction and cell determinationthe cell determination or fate of embryonic cells is regulated through factors which may reside within the
totipotency and pluripotency in the starting we said that the fertilized egg cell zygote has the capacity or potentiality to give rise to all kinds
development of heart in amphibians the heart and the surrounding pericardial cavity build up from lateral mesoderm after gastrulation the mesodermal
mechanisms of neural plate formationyou are familiar with the concept that the neurulation comprises of two processesi the neural plate formation
neurulation in amphibians the first step in the neurulation process is the flattening and thickening of dorsal ectoderm to form neural plate the
morphogenesis of an ectodermal derivativeduring the development of vertebrate body the dissimilar regions in the three germ layers of the gastrula
adhesion of cells to extracellular cell matrix you know that the cells in order to move or change shape adhere to each other or to the substratum in
intermediate filaments - role of cytoskeleton structuresthese filaments are intermediate in size among microtubules and microfilaments and are 10 nm
microfilaments - role of cytoskeleton structuresmicrofilaments are as well present in all animal cells they are found singly throughout the cytoplasm
contact guidance - modes of cell movementbesides chemical ionic factors that regulate cell movement in developing embryos physical factors as well
galvanotaxis - modes of cell movementgalvanotaxis considers to the movement of cells in response to a potential variation between cells it is
haptotaxis - modes of cell movementhaptotaxis considers to the directed movement of cells in response to a concentration gradient of an adhesive
chemotaxis - modes of cell movementchemotaxis considers to me directed movement of cells in response to a concentration gradient of a chemical factor
differentiation - morphogenesis and tissue organisationit should be clear to you that a single cell the fertilized egg gives rise to various
morphogenetic processes we discussed earlier the process through which a fertilized egg assumes the shape of a ball or a sheet of cells around a
reducing cost of accidentone clear way to control the cost of accident would be to follow all the rules of book for safety all the methods of safety
factors associated with accidentcost in administrative functions loss of prestige costs for notification investigation and legal action loss of
cost due to damage to equipmentcost due to damage to equipment property etc tooling may have to be redesigned adding cost cost due to reduced output
cost due to injury to worker medical cost - medicine surgery hospitalization extended treatment working time lost due to injury or death time loss
cost of accidents immediate cost immediate cost takes into account the loss of work damages to equipment and facilities which have to repaired and
accident proneness the close observation of accident causation theory brings out this fact that most accidents can be traced to error on the part of
steps for prevention industrial accidentsthese steps are as follow substitute a less hazardous equivalent remove worker from hazard eg automate the