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.

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]

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.

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]

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.

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.

cu·ti·cle

(kyū'ti-kĕl)
An outer thin layer, usually horny.
[L. cuticula, dim. of cutis, skin]
References in periodicals archive ?
Didelphidae.--Los representantes de esta familia se caracterizaron por la presencia de una medula yuxtapuesta (paredes de celulas adyacentes en contacto) uniseriada, de bordes celulares integros y celulas medulares escaleriformes en todo el eje del pelo, con un patron cuticular imbricado foliaceo estrecho, de orientacion oblicua simple y con bordes continuos (Fig.
In females, dominant cuticular chemoprofiles are characterized by several dienes (Savarit and Ferveur, 2002).
Cuticular hydrocarbons are important for resistance to desiccation (Hadley 1981) and have been identified as pheromones (Blomquist 2010).
(2013b), com padrao cuticular imbricado folidaceo estreito para ambas.
The TS-D on the fourth segment was an elongated sac with a characteristic surface ornamentation of cuticular reinforment ribs (Figs.
Two sides of a leaf blade: Blumeria graminis needs chemical cues in cuticular waxes of Lolium perenne for germination and differentiation.
polysporum Rifai en el abejorro Bombus terrestris L., encontrando una baja mortalidad por via oral y cuticular en adultos y larvas.
On its surface, these segments presented trichoid cuticular sensilla (Figure 2).