canalization

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canalization

[‚kan·əl·ə′zā·shən]
(engineering)
Any system of distribution canals or conduits for water, gas, electricity, or steam.
(evolution)
The effect of natural selection on development to produce pathways that are insensitive to minor genetic or environmental variation; results in the phenotypic norm of the species.
(medicine)
Surgical method of wound drainage without tubes by forming channels.
(physiology)
The formation of new channels in tissues, such as the formation of new blood vessels through a thrombus.
References in periodicals archive ?
If both vaginas have failed to canalize, the patient will present much earlier, with primary amenorrhea and cyclic pelvic pain--a presentation similar to that of transverse septum.
These consistencies corroborate the idea that physiological and life history trade-offs may canalize succession by making the range of probable trajectories a small subset of what would otherwise be possible (Connell and Slatyer 1977: tolerance model, Noble and Slatyer 1980, Walker et al.
As the year 2000 approaches, it is a safe bet that we will be treated to more superstition and barbarism of the Robertson sort, and that other unscrupulous demagogues will try to canalize the fears and doubts of those who have been let down by the education system.