| secondary wall | <plant biology> The part of the plant cell wall which is laid down on top of the primary wall after the wall has ceased to increase in surface area. Only occurs in certain cell types, for example tracheids, vessel elements and sclerenchyma. Differs from the primary wall both in composition and structure and is often diagnostic for a particular cell type. (18 Nov 1997) |
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| secondary X zone | An adrenocortical zone, situated in the inner zona fasciculata, that appears upon postpubertal gonadectomy in some male rodents, most notably the mouse; the development of this zone is believed to be stimulated by pituitary gonadotropins. (05 Mar 2000) |
| secondary follicle |
The second stage of growth of the follicle, in which the egg (as a primary oocyte) is enclosed by a layer that
출처: www.jansen.com.au/Dictionary_SU.html
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| secondary amenorrhea |
A condition in which a woman who has had normal menstrual cycles stops getting her monthly period.
출처: my.webmd.com/content/article/46/2953_489.htm
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| second law of thermodynamics |
The notion that natural processes that occur in an isolated system are spontaneous when they lead to an increase in disorder, or entropy.
출처: xenon.che.ilstu.edu/genchemhelphomepage/glossary/s...
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| secondary structure |
The hydrogen bonds between adjacent peptide linkages in a protein that stabalize the structure of the protein.
출처: xenon.che.ilstu.edu/genchemhelphomepage/glossary/s...
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| secondary |
Material derived from solution of other rocks which is then redeposited (example: calcite and aragonite).
출처: www.nps.gov/cave/glossary.htm
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