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See stratum.


Plural of stratum.


(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.
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