cuticle

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cuticle

 [ku´tĭ-k'l]
1. a layer of more or less solid substance covering the free surface of an epithelial cell.
2. the narrow band of epidermis extending from the nail wall onto the nail surface; called also eponychium and perionychium.
enamel cuticle primary cuticle.
primary cuticle a film on the enamel of unerupted teeth, considered to be the final product of degenerating ameloblasts after completion of enamel formation. Called also enamel cuticle and Nasmyth's membrane.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

cu·ti·cle

(kyū'ti-kil),
1. An outer thin layer, usually horny. Synonym(s): cuticula (1)
2. The layer, chitinous in some invertebrates, which occurs on the surface of epithelial cells.
3. Synonym(s): epidermis
[L. cuticula, dim. of cutis, skin]
Farlex Partner Medical Dictionary © Farlex 2012

cuticle

(kyo͞o′tĭ-kəl)
n.
1. The outermost layer of the skin of vertebrates; epidermis.
2. The strip of hardened skin at the base and sides of a fingernail or toenail.
3. Dead or cornified epidermis.
4. Zoology The noncellular, hardened or membranous protective covering of many invertebrates, such as the transparent membrane that covers annelids.
5. Botany The layer of cutin covering the epidermis of the aerial parts of plants.

cu·tic′u·lar (-tĭk′yə-lər) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

cu·ti·cle

(kyū'ti-kĕl)
1. An outer thin layer, usually of a horny composition.
Synonym(s): cuticula (1) .
2. The layer, chitinous in some invertebrates, which occurs on the surface of epithelial cells.
3. Synonym(s): epidermis.
[L. cuticula, dim. of cutis, skin]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

cuticle

1. The epidermis or outer layer of the skin.
2. The narrow strip of thickened epidermis at the base of a fingernail or toenail.
3. The sheath of a hair follicle.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

cuticle

  1. in both animals and plants, a thin noncellular layer secreted by the epidermis. In higher plants it covers all the exterior, except where stomata and lenticels occur, and prevents water loss (cuticularization). In many arthropods, it forms part of the EXOSKELETON and is composed of CHITIN and PROTEIN, with a calcareous element in CRUSTACEANS.
  2. the epidermal cells of vertebrates (the stratum corneum) that have been converted to KERATIN (as in hair, feathers, scales, nails, claws, hooves, horns, etc.), giving proofing against water loss, bacterial entry and ultraviolet light.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

cu·ti·cle

(kyū'ti-kĕl)
An outer thin layer, usually horny.
[L. cuticula, dim. of cutis, skin]
Medical Dictionary for the Dental Professions © Farlex 2012