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Differentiation in Biological Definition

Apoptosis

... during an organism's life cycle. For example, the differentiation of human fingers in the developing embryo ... which B and T cells are driven to proliferation, differentiation or apoptosis comprises a complex interplay ... of the nervous system, but cell lineage and differentiation inevitably led to the study of cell fate: "One ...

Morphogenesis

... with the control of cell growth and cellular differentiation . Morphogenesis is concerned with the shapes of ... various specialized cell types. Cell growth and differentiation can take place in cell culture or inside of tumor ... can diffuse and carry signals that control cell differentiation decisions in a concentration-dependent fashion. ...

Morphogenesis

... with the control of cell growth and cellular differentiation . Morphogenesis is concerned with the shapes of ... various specialized cell types. Cell growth and differentiation can take place in cell culture or inside of tumor ... can diffuse and carry signals that control cell differentiation decisions in a concentration-dependent fashion. ...

T cell

... . Thymocytes are immature T cells. The differentiation called thymic education occurs in a few stages ... midstage of T cell differentiation. At the end of differentiation they express TCRs, CD3, CD4 and CD8 molecules. ... It is important to note that not only is the differentiation of T cells controlled by thymic ...

Alga

... Filamentous - a string of non-motile cells connected together, sometimes branching Parenchymatous - cells forming a thallus with partial differentiation of tissues In three lines even higher levels of organization have been reached, leading to organisms with full tissue differentiation. These are ...

Anabolism

... organism level is as anabolic or catabolic . Anabolic processes tend toward "building up" organs and tissues. These processes produce growth and differentiation of cells and increase in body size, a process that involves synthesis of complex molecules. Examples of anabolic processes include growth and ...

Biology

... process by which organisms grow and develop. Originating in embryology , today developmental biology studies the genetic control of cell growth , differentiation and " morphogenesis ," which is the process that gives rise to tissues , organs and anatomy . Model organisms for developmental biology ...

Anabolism

... organism level is as anabolic or catabolic . Anabolic processes tend toward "building up" organs and tissues. These processes produce growth and differentiation of cells and increase in body size, a process that involves synthesis of complex molecules. Examples of anabolic processes include growth and ...

Developmental biology

... is the study of the process by which organisms grow and develop. Modern developmental biology studies the genetic control of cell growth , differentiation and " morphogenesis ," which is the process that gives rise to tissues , organs and anatomy . Embryology is a subfield, the study of ...

Diabetes mellitus

... AA. Pancreatic extracts in the treatment of diabetes mellitus. Canad Med Assoc J 1922;12:141-146. Himsworth HP. Diabetes mellitus: its differentiation into insulin-sensitive and insulin-insensitive types. Lancet 1936;i:127-130. Colhoun HM, Betteridge DJ, Durrington PN, Hitman GA, Neil HA, ...

Gamete

... from each of the two gametes involved in the union. After fusion of the two gamete nuclei , and after multiple cell divisions and cellular differentiation , a zygote develops , first into an embryo , and ultimately into a mature individual capable of producing gametes. Gametes from a mature diploid ...

Lichen

... elongated outgrowths from the thallus that break off for dispersal. Fruticose lichens in particular can easily fragment. Due to the relative lack of differentiation in the thallus, the line between diaspore formation and vegetative reproduction is often blurred. Many lichens break up into fragments when they dry, ...

Alga

... Filamentous - a string of non-motile cells connected together, sometimes branching Parenchymatous - cells forming a thallus with partial differentiation of tissues In three lines even higher levels of organization have been reached, leading to organisms with full tissue differentiation. These are ...

Prion

... only related colonies obtain the benefit of sharing resources [1] . Prions have also been speculatively linked to memory [2] and cellular differentiation , the process by which stem cells take on specialized functions (such as muscle or blood cells). Yeast Prions In 1965 , Brian Cox, a ...

Signal transduction

... vitamin A and D among them. These hormones play a key role in the regulation of metabolism , organ function, developmental processes and cell differentiation . The key value for the signal strength is the hormone concentration, which is regulated by : Biosynthesis and secretion of hormones in ...

Stem cell

... hemopoietic stem cells . Until recently it was thought that each of these cells could produce just one particular type of cell—this is called differentiation (see Morphogenesis ). However in the past few years, evidence has been gathered of stem cells that can transform into several different forms. ...
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