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Dictionary » S » Stratum

Stratum

Definition

noun, plural: strata

(1) (histology) Any from the layers of tissues arranged one atop another, thus forming an anatomical structure

(2) (ecology) A layer of plants or vegetation usually of the same or similar height

(3) (general) One of the stack of horizontal layers


Supplement

(Histology) The skin is an example of biological material comprised of several strata (or layers of tissues).

(Ecology) In a plant community, a stratum implicates dominance of that plant species.


Word origin: Latin strātum from strātus or sternere (to spread, strew)

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... monocytes(lymphocytes) in the blood, slips it way through into the tissue and differentiate into macrophages. Langerhans cells are found in the stratum spinosum in the epidermis of the skin. I know that langerhans cells are derived from monocytes but do langerhans cells undergo changes and become ...

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Mon Apr 26, 2010 1:56 pm
 
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