keratinosome

(redirected from membrane-coating granule)
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keratinosome

 
one of the spherical granules formed near the Golgi apparatus in the skin, migrating to the cytoplasm and discharging its contents into the intercellular space, where the granules are believed to function as a barrier to penetration by foreign substances. Called also lamellar body or granule.

ke·rat·i·no·some

(ke-rat'i-nō-sōm'),
A membrane-bound granule, 100-500 nm in diameter, located in the upper layers of the stratum spinosum of certain stratified squamous epithelia.

keratinosome

/ke·rat·i·no·some/ (kĕ-rat´ĭ-no-sōm) lamellar body; a type of spherical granule in cells of the skin that migrates to the cytoplasm and discharges its contents into the intercellular space, where the granules are believed to function as a barrier against foreign substances.

ke·rat·i·no·some

(kĕ-rat'i-nō-sōm)
A granule located in the upper layers of the stratum spinosum of certain stratified squamous epithelia.
Synonym(s): membrane-coating granule.

Odland,

George, 20th century U.S. dermatologist.
Odland body - membrane-bound organelle found in cells of the upper spinous layer and stratum granulosum, containing lipids that are dispersed into the intercellular space and that form a permeability barrier. Synonym(s): keratinosome; lamellar granule; membrane-coating granule

keratinosome

small organelle in the intercellular space of the epidermis; it has a role in retaining water and in cell cohesion. Called also Odland's body; cementasome.
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