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单词 strata
释义

strata

enUK

stra·ta

S0795900 (strā′tə, străt′ə)n. A plural of stratum.

strata

(ˈstrɑːtə) n (Geological Science) a plural of stratumUsage: Strata is sometimes wrongly used as a singular noun: this stratum (not strata) of society is often disregarded

stra•tum

(ˈstreɪ təm, ˈstræt əm)

n., pl. stra•ta (ˈstreɪ tə, ˈstræt ə) stra•tums. 1. a layer of material, naturally or artificially formed, often formed one upon another. 2. layer; level: an allegory with many strata of meaning. 3. a single bed of sedimentary rock, generally consisting of one kind of matter representing continuous deposition. 4. a layer of tissue; lamella. 5. a layer of vegetation in a plant community. 6. a layer of the ocean or the atmosphere distinguished by natural or arbitrary limits. 7. a level or grade of a people or population esp. with reference to social position and education: the lowest stratum of society. [1590–1600; < Latin strātum literally, a cover, n. use of neuter of strātus, past participle of sternere to spread, strew] usage: The usual singular of this noun, taken from Latin, is stratum: the lowest stratum in society. The plural is strata: Several strata of settlement were discovered in the evacuation. Occasionally strata occurs as a singular and stratas as a plural. Neither of these uses is well established, and they are often regarded as errors. See also agenda, criterion, media.
EncyclopediaSeeStratum

strata

enUK

stra·ta

(strā'tă) Plural of stratum.

stratum

S20-903160 (stra'tum) (strat'um) plural.strata [L.] A layer.

stratum basale

1. The innermost or deepest layer of the endometrium.2. Stratum germinativum.

stratum compactum

The superficial or outermost layer of the endometrium.

stratum corneum

The outermost horny layer of the epidermis.

stratum disjunction

The outermost layer of the stratum corneum, which is being shed constantly.

stratum functionalis

Functional layer of the endometrium.

stratum germinativum

The innermost layer of the epidermis; a row of cuboidal cells that divide to replace the rest of the epidermis as it wears away. It is part of the stratum malpighii. Synonym: stratum basale (2) See: stratum malpighii

stratum granulosum

A layer of cells containing deeply staining granules of keratohyalin found in the epidermis of the skin between the stratum spinosum and the stratum corneum. See: stratum malpighii

stratum lucidum

The translucent layer of the epidermis between the stratum corneum and the stratum granulosum in the palms and soles.

stratum malpighii

The inner layer of the epidermis. It was first seen with low magnification and described in the 1600s by Marcello Malpighi. It includes both the stratum germinativum and stratum spinosum of today's nomenclature.

stratum papillare

Papillary layer.

stratum reticulare

The recticular layer of the corium just beneath the papillary layer.

stratum spinosum

The prickle cell layer, so called because of its prominent intercellular attachments. It is part of the stratum malpighii. See: stratum malpighii

stratum spongiosum

The middle layer of decidua of the endometrium.

stratum submucosum

The layer of smooth muscle fibers of the myometrium lying contiguous with the endometrium.

stratum subserosum

The layer of smooth muscle fibers of myometrium that lies immediately under the serous coat.

stratum supravasculare

The layer of circular and longitudinal muscle fibers of the myometrium lying between the stratum subserosum and the stratum vasculare.

stratum vasculare

The layer of smooth muscle fibers in myometrium lying between the stratum submucosum and the stratum supravasculare.

STRATA


AcronymDefinition
STRATASimulator Training Research Advanced Testbed for Aviation
STRATAShort-Term Roadwatch and Target Acquisition (CIA surveillance operation in North Vietnam, 1964-1975)
ThesaurusSeestratum
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