The Movement Of Cells, Cell Differentiation, Grow And Cell Repair
Cell Movement
The most important cell movement is the movement of special skeletal muscle cells, cardiac and smooth muscle.
a. Motion Amubid
Amubid is a whole cell movement in relation to the environment. for example, the movement of cells in the amubid start with a bony pseudo-podium from one end of the cell. be far cell body showing off doing the movement of white blood cells is amubid in the form macrophages and fibroblasts.
the cell moves into the damaged areas to repair damaged skin cells germination, the factor that initiate movement amubid is the incidence of chemical substances (kemoteksis substances) in particular that led to the movement.
b. The Movement of The Cilia
bending the cilia (hairs vibrating) on the surface (cell membrane) of which there are very many in the respiratory tract and Fallopian tubes. reproductive tract can stand out from a single cell and move along the surface of the cell movement forward and backward faster slower so encourage neighbouring fluid towards the movement of cilia.
the mechanism of the movement of the cilia is a protein complex that holds the cross-ties. the energy released from ATP-related ATP-ase arm which caused the arm moves along the surface of the tubules of adjacent, since the number of cilia on the surface of cells to contract in unison like waves, enabling cue electrochemistry in up of the cells were moved from the cilia to cilia.
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| the movement of cells |
Cell Division
cell division and growth needs related replacement within the network. in connection with this there are basically three kinds of cell populations :
cell population is static (an expanding)
a small percentage of cells undergoing DNA synthesis and cell division that allows growth, (eg. neurons from nervous system in adults).
the population of the developing cells
in the population of these update there should be continuous cell division to replace cells that have died such as :
- the first division, only one chromosome from each pair went to each child's cells, dividing two numbers of chromosomes are chromosome be near, and pairs each pair come from father and mother.
- second cleavage, the cell on each chromosome is separated and eventually retrieved 4 core the more with the umber of haploid chromosomes (one chromosome contained in gametes). if the male and female gametes unite, diploid amount recouped.
in meiosis, the cell is the seed of man, sitokinase (division of the cytoplasm) produces a flat on the fourth cytoplasmic cell ( cell 2 contains 22 chromosomes +an X and two other cells containing 22 +Y)
in women, all contain 22+Y, part of the cytoplasm and the only one that contains much of the cytoplasm. genetic variations can occur in the meiosis with changed segments homologous chromosomes during reduction division.
Cell Differentiation
changes in physical properties and function of cells occurs when cells conduct proliferate. the embryo to form the structure of the body, the genetic composition of the nucleus changes during the next cell generation in a way such that one cell of the child inheriting genes were pollen device cells of the other children.
differentiation does not result from the loss of the gene but selectively from different genetic an pore on generating protein regulators are pressing a bunch of selected genes. most of the embryonic development is a result of the induction of one part pf the body that affect other parts of the body.
Food And Assimilation
from the intracellular fluid and interstitial fluids surrounding the cell, separating chemical substances such as amino acids which are then formed into a very complex materials namely proteins that form protoplasm. the cell is the unit of which very actively absorbs food and assimilate the food we eat.
Growth And Cell Repair
the materials are delivered to the cells can be used to form new cell protoplasm becomes the bigger to grow and develop. the material can also be used to replace a cell of part has been damaged. this activity is called anabolic function or anabolism.
a. Metabolism
in contrast to the cell's activities, some food is absorbed by the cells is used as fuel, when the food at break (catabolism), the energy stored in it will be out and used by cells as the heat gland secretion. motion, and neural activity. anabolism and catabolism is the overall activities of the cells, both of these processes at once is called metabolism.
oxygen supplies taken blood from the lungs and get rid of waste material in the form of carbon dioxide, a gas that is essential for cell survival.
b. The Excretion
waste material is the result of the process of catabolism of cells enter into the interstitial fluid, and then transported by blood carries waste into carbonic acid lung make out from the body as carbon dioxide, other waste material excreted through the kidneys.
Please Read Anatomy Physiology And Bodily Fluid Displacement
c. Sensitivity To Stimuli
when the cell is stimulated either by chemical, physical, mechanical, then the cells will react, SELA can constrict like muscle and can produce secretions such as cells in the stomach, pancreas, and other glandular organs.
it can conductive touch such a nerve cells, this is the best example of conductivity cells. nerve impulses generated by the stimulus against the nerve cells can be make come through a distance of one ether or more, depending on the length of nerve fibres. but in all things, the stimulus that vibrate the cells that react from one end to the other end.
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