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Tissue

Definition

noun, plural: tissues

An aggregate of cells in an organism that have similar structure and function.


Supplement

The fundamental types of tissues in animals are epithelial, nerve, connective, muscle, and vascular tissues whereas in plants, they are the meristematic (apical meristem and cambium), protective (epidermis and cork), fundamental (parenchyma, collenchyma and sclerenchyma) and vascular (xylem and phloem) tissues. Tissues that work in unison to carry out a specific set of functions form an organ.


Word origin: Middle English tissu, a rich kind of cloth, from Old French, from past participle of tistre, to weave, from Latin texere.

Related forms: tissuey (adjective), tissular (adjective).

See also: cell differentiation, organ, histology.


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identify bacterias in Gram stain kit &The Giemsa Stain Kit

... the demonstration and differentiation of Gram-positive and Gram-negative bacteria. Gram Positive Bacteria: Blue Gram Negative Bacteria: Red Other Tissue: Yellow Nuclei: Red The Giemsa Stain Kit (May-Grunwald) is intended for use in the visualization of cells present in hematopoietic tissues and ...

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by scytek
Sat Mar 15, 2014 1:11 pm
 
Forum: General Discussion
Topic: identify bacterias in Gram stain kit &The Giemsa Stain Kit
Replies: 0
Views: 61

Newbie question about the first life

... which now both carry and pass on hereditary information, and 2) proteins, which can be either a) structural elements (building blocks for organic tissue) or b) enzymes (biocatalysts). An example of this would be the synthesis of the amino acid serine in the primitive atmosphere, thus: two molecules ...

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by piscilactovegetarian
Tue Feb 25, 2014 10:21 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 710

biology need help??

... b. The risk to life of heart valve replacement surgery typically exceeds that of CABG. c. Long term anticoagulant therapy is required following tissue valve replacement. d. In CABG every stenosed coronary artery that has not responded to angioplasty receives its own bypass. e. Stroke or loss ...

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by zak
Fri Jan 10, 2014 1:32 pm
 
Forum: Human Biology
Topic: biology need help??
Replies: 0
Views: 429

Stem Cells

... to all of the body cells derived from the three germ layers but it cant give rise to a new organism. They have varied uses these days in case of tissue loss or a very bad injury or a internal breakdown. But,the other side is VERY SCARY. It has its own side effects which can outrule the advantages, ...

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by Sumanth001
Sun Dec 08, 2013 12:53 pm
 
Forum: Genetics
Topic: Stem Cells
Replies: 4
Views: 2644

Reasons why spontaneous human combustion is impossible?

... burned from inside out, i.e. the inwards must burn first, thus it's not question of skin only. 3) I told you about the H+ leakage in brown adipose tissue. But that tissue is made to produce heat. Other tissues prevent that from happening.

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by JackBean
Fri Dec 06, 2013 10:01 am
 
Forum: General Discussion
Topic: Reasons why spontaneous human combustion is impossible?
Replies: 10
Views: 1968
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