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The presence of nits alone, however, is not an accurate indicator of an active head louse infestation. Generally, white nits are empty egg casings, while brown nits may still contain viable louse larva. One way of determining the nit is to squeeze it between two fingernails; it gives a characteristic snapping pop sound as the egg bursts.
Thus, mobile head lice populations may contain eggs, nits, three nymphal instars, and the adults (male and female) . [1] Metamorphosis during head louse development is subtle. The only visible differences between different instars and the adult, other than size, is the relative length of the abdomen, which increases with each molt, [ 1 ] as ...
The terminology originates from the common act of manually removing nits (the eggs of lice, generally head lice) from another person's hair. [ 4 ] As nitpicking inherently requires fastidious attention to detail, the term has become appropriated to describe the practice of meticulously searching for minor, even trivial errors in detail.
A dead nit attached to a hair. No nit policy is a public health policy implemented by some education authorities to prevent the transmission of head lice infestation.The "no nit" policy requires the sending home and barring of all children who have nits (egg shells) on their hair from controlled settings such as school, summer camp or day care facilities.
Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.
Nature, Intentions, Time, Special Instructions (NITS), a form of emergency communication; National Invitation Tournament, for U.S. men's college basketball; Nagpur Improvement Trust, India
There is a well-known myth about the word quiz that says that in 1791, a Dublin theatre owner named Richard Daly made a bet that he could introduce a word into the language within 24 hours. He then went out and hired a group of street children to write the word "quiz", which was a nonsense word , on walls around the city of Dublin .
is posed along with many other questions to quiz readers on the contents of the chapter, and as such, is posed from a purely physical point of view. [ 7 ] While physicists and good friends Albert Einstein and Niels Bohr were equally instrumental in founding quantum mechanics , the two had very different views on what quantum mechanics said ...