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Factor XIII, or fibrin stabilizing factor, is a plasma protein and zymogen.It is activated by thrombin to factor XIIIa which crosslinks fibrin in coagulation.Deficiency of XIII worsens clot stability and increases bleeding tendency.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Cell Biology in "The Biology Project" of University of Arizona. Centre of the Cell online; The Image & Video Library of The American Society for Cell Biology Archived 2011-06-10 at the Wayback Machine, a collection of peer-reviewed still images, video clips and digital books that illustrate the structure, function and biology of the cell.
Edward Hitchcock's fold-out paleontological chart in his 1840 Elementary Geology. Although tree-like diagrams have long been used to organise knowledge, and although branching diagrams known as claves ("keys") were omnipresent in eighteenth-century natural history, it appears that the earliest tree diagram of natural order was the 1801 "Arbre botanique" (Botanical Tree) of the French ...
A Republican senator has blocked the promotion of a general who oversaw the US withdrawal from Afghanistan, according to a source familiar with the matter, as President-elect Donald Trump has ...
PJ Haggerty had 23 points and seven steals as No. 16 Memphis put together a late burst to escape with an 81-71 victory over Louisiana Tech on Wednesday night. Tyrese Hunter added 20 points and ...
President-elect Donald Trump is tapping Florida Sen. Marco Rubio as the next secretary of state, and the Capitol Hill vacancy created could soon be filled by a quite literally familiar name, The ...
Cell biology (also cellular biology or cytology) is a branch of biology that studies the structure, function, and behavior of cells. [1] [2] All living organisms are made of cells. A cell is the basic unit of life that is responsible for the living and functioning of organisms. [3] Cell biology is the study of the structural and functional ...