For Karl Ove, the metaphor is one of enclosure.
The metaphor that dominates the book is that of "enclosure".
Related structures include bank barrows, cursus monuments, mortuary enclosures, timber halls, and other forms of enclosure.
Infibulation draws on that idea of enclosure and fertility.
Before complete enclosure of the DNA by membrane it is unclear what function these structures and processes would serve, yet at the moment of enclosure functional versions of them must be present if enclosure is not to be fatal.
Along with enclosure, marling and improved grasses, Townshend's improvements resulted in "a course of husbandry utterly unlike that practised a hundred years ago".
Over the course of 2 months, the rats heard the tone in two different contexts--in a square enclosure, where the tone always preceded a shock; or in a circular enclosure, where the tone and shock occurred randomly.
In England, the enclosure process lasted over three centuries; in Romania, the same is happening over the course of three decades.
Mice were awake and freely moving within an enclosure, when a mild stimulus was delivered, consisting of 300 pulses of light over the course of 1 hr, given in bursts of 5 pulses at 20 Hz every minute.
As a further, very necessary, precaution to keep numbers constant, all the rabbits in a given enclosure were of the same sex.In enclosures that contained grass, each rabbit consumed about 130kg (285 lbs) of the crop during the course of a year.
