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Rouleaux formation on wet smear. Rouleaux (singular is rouleau) are stacks or aggregations of red blood cells (RBCs) that form because of the unique discoid shape of the cells in vertebrates. The flat surface of the discoid RBCs gives them a large surface area to make contact with and stick to each other; thus forming a rouleau.
Erythrocyte aggregation is a physiological phenomenon that takes places in normal blood under low-flow conditions or at stasis. The presence or increased concentrations of acute phase proteins, particularly fibrinogen, results in enhanced erythrocyte aggregation.
Brown University cheerleaders. The cheerleader effect, also known as the group attractiveness effect or the friend effect, [1] is a proposed cognitive bias which causes people to perceive individuals as 1.5–2.0% more attractive in a group than when seen alone. [2]
For human behavior related articles needing an image or photograph, use {{Image requested|date=December 2024|human behavior}} in the talk page, which adds the article to Category:Wikipedia requested images of human behavior. If possible, please add request to an existing sub-category.
Human behavior is the potential and expressed capacity (mentally, physically, and socially) of human individuals or groups to respond to internal and external stimuli throughout their life. Behavior is driven by genetic and environmental factors that affect an individual.
The Fåhræus effect (/ f ɑː ˈ r eɪ. ə s /) is the decrease in average concentration of red blood cells in human blood as the diameter of the glass tube in which it is flowing decreases. In other words, in blood vessels with diameters less than 500 micrometers , the hematocrit decreases with decreasing capillary diameter.
Animal models of behavior, molecular biology, and brain imaging techniques have provided some insight into human personality, especially trait theories. Much of the current understanding of personality from a neurobiological perspective places an emphasis on the biochemistry of the behavioral systems of reward, motivation, and punishment.
A sticker in German warning that the reader is being "video monitored". Even just the presence of an eye symbol on a sticker can be enough to change a person's behavior. The watching-eye effect says that people behave more altruistically and exhibit less antisocial behavior in the presence of images that depict eyes, because these images insinuate that they are being watched.