Intercalation may refer to:
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Intercalation (chemistry), insertion of a molecule (or ion) into layered solids such as graphite
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Intercalation (timekeeping)
Intercalation or embolism in timekeeping is the insertion of a leap day, week, or month into some calendar years to make the calendar follow the seasons or moon phases. Lunisolar calendars may require intercalations of both days and months.
So ...
, insertion of a leap day, week or month into some calendar years to make the calendar follow the seasons
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Intercalation (university administration) Intercalation, also known as intermission or interruption, in the context of university administration, is a period when a student is allowed to officially take time away from studying for an academic degree.
When a university
A university () i ...
, period when a student is officially given time off from studying for an academic degree
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Intercalation (geology)
In geology, interbedding occurs when beds (layers of rock) of a particular lithology lie between or alternate with beds of a different lithology. For example, sedimentary rocks may be interbedded if there were sea level variations in their sedim ...
, a special form of interbedding, where two distinct depositional environments in close spatial proximity migrate back and forth across the border zone
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Intercalary chapter, a chapter in a novel that does not further the plot. See also
frame story
A frame is often a structural system that supports other components of a physical construction and/or steel frame that limits the construction's extent.
Frame and FRAME may also refer to:
Physical objects
In building construction
*Framing (con ...
(sometimes called intercalation).
* In biology:
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Intercalary segment, an appendage-less segment in the segmental composition of the heads of insects and Myriapoda
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Intercalation (biochemistry)
In biochemistry, intercalation is the insertion of molecules between the planar bases of deoxyribonucleic acid (DNA). This process is used as a method for analyzing DNA and it is also the basis of certain kinds of poisoning.
There are several ...
, process discovered by Leonard Lerman by which certain drugs and mutagens insert themselves between base pairs of DNA
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Intercalated cells of the amygdala
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Intercalated cells of the collecting duct
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Intercalated disc
Intercalated discs or lines of Eberth are microscopic identifying features of cardiac muscle. Cardiac muscle consists of individual heart muscle cells (cardiomyocytes) connected by intercalated discs to work as a single functional syncytium. By con ...
of cardiac muscle
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Intercalated duct
In anatomy and physiology, a duct is a circumscribed channel leading from an exocrine gland or organ.
Types of ducts
Examples include:
Duct system
As ducts travel from the acinus which generates the fluid to the target, the ducts become larg ...
of exocrine glands
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