What's the difference between cuticle and epidermis?

Cuticle


Definition:

  • (n.) The scarfskin or epidermis. See Skin.
  • (n.) The outermost skin or pellicle of a plant, found especially in leaves and young stems.
  • (n.) A thin skin formed on the surface of a liquid.

Example Sentences:

  • (1) Moreover, the mucoid substances of the sensillum lymph are probably involved in water conservation, since sensilla are prone to water loss, because the overlying cuticle must be permeable to the chemical stimuli.
  • (2) All the canals open independently at the surface of the cuticle and the substance deposited there is a mixture of proteins and acid mucosubstances.
  • (3) The second gene lies within an intron of the purine gene and encodes a cuticle protein.
  • (4) In vitro the epidermis synthesized and secreted both forms into both the cuticle and the medium.
  • (5) The morphology of the adult female cuticle is discussed.
  • (6) In all these cuticles the tubular filaments arise from the plasma membrane of the epidermal cells and they contain argentaffin material, regarded as sclerotin precursors, and lipid-staining material, regarded as wax precursors.
  • (7) Between the cuticle and dermal collagen there are granular deposits which might be immune complexes involving the collagenous component of cuticle.
  • (8) Eisenia epidermis does not recordably synthesize the cuticle until after wounding (first eight segments removed).
  • (9) Cuticle morphology identifies two types of sensilla trichodea, two types of sensilla basiconica and one type of sensillum coeloconicum.
  • (10) At the culmination of each molt, the larval tobacco hornworm exhibits a pre-ecdysis behavior prior to shedding its old cuticle at ecdysis.
  • (11) A homozygous mutant escaper had weak, completely unpigmented cuticle and unpigmented bristles.
  • (12) On dark-adaptation of the 11-day adult eye, the rhabdomers move towards the cuticle.
  • (13) Once the fungus enters the hair cortex just above the hair bulb, it produces myriads of spores that remain trapped and hidden beneath the cuticle for the length of the intact hair.
  • (14) Thus, during larval growth the cuticle remains flexible and extensible.
  • (15) C3 conversion products were detected on larval cuticles by eosinophil adherence and by immunofluorescence with C3c antiserum.
  • (16) Both genes encode 5.5-kilobase mRNAs, similar in size to the mammalian and Drosophila type IV collagen gene transcripts but much larger than the cuticle collagen transcripts of C. elegans.
  • (17) The facilitation of eclosion by adult colony members appears to be an obligatory process in the development of this species; pupae denied the aid of adult workers during eclosion are unable to remove the pupal cuticle and rapidly succumb.
  • (18) The antibodies, which were produced in the course of T. spiralis infection in rats, specifically bound to the inner layers of the body cuticle and the cuticle of the hindgut, but not to the cuticle of the esophagus.
  • (19) Autonomous expression of Met was found both in abdominal cuticle as well as in external male genitalia.
  • (20) However, late larval worms that expressed the adult cuticle did not express blisters either.

Epidermis


Definition:

  • (v. t.) The outer, nonsensitive layer of the skin; cuticle; scarfskin. See Dermis.
  • (v. t.) The outermost layer of the cells, which covers both surfaces of leaves, and also the surface of stems, when they are first formed. As stems grow old this layer is lost, and never replaced.

Example Sentences:

  • (1) The observed staining indicated that the epithelium of the external auditory meatus has a pattern of keratin expression typical of epidermis in general and the epithelium of the middle ear resembles simple columnar epithelia.
  • (2) A comparison between TPA and cytokeratins was also made by immunoblotting which revealed immunoreactivity of antibodies to TPA with cytokeratin polypeptides of different species (man, mouse) and organs (epidermis, liver), particularly with the cytokeratin component 8 of human liver and the related component A of mouse liver.
  • (3) The enzyme profile of the epidermis was investigated in relation to depth.
  • (4) It increased linearly in both the epidermis and dermis, reaching nearly 100% 24 hr following its injection on Day 8.
  • (5) UVB irradiation augmented the beta-adrenergic adenylate cyclase response of pig skin epidermis in vitro.
  • (6) The kinetics of both the solube and particulate enzymes from epidermis of some elderly patients with either diabetes or ischaemia showed some differences from the kinetics of enzymes from healthy epidermis from younger individuals.
  • (7) These results indicate that uninvolved psoriatic epidermis has an increased capacity to metabolize free AA into 12-lipoxygenase products.
  • (8) Besides the rough, wrinkled, and brown or black surface of the fingertips, microwrinkles of the epidermis occur on the skin ridges, which have so far not been described.
  • (9) At an ultrastructural level, 15-1 immunogold-labeling in the epidermis was confined to the surface of cells exhibiting Birbeck granules.
  • (10) The synthesis of uPA as a precursor with reduced enzymatic activity as well as decreased affinity for inhibitors is likely to be a mechanism by which normal epidermis regulates plasminogen activation in vivo.
  • (11) The bone marrow derivation of dThy-1+EC is now well established: dThy-1+EC carry Ly-5 determinants whose expression is restricted to cells of the hemopoietic differentiation pathway, and studies using Thy-1-disparate radiation bone marrow chimeras have revealed the presence of donor-type Thy-1+ cells within the epidermis; by immunoelectron microscopy, these cells represent dThy-1+EC.
  • (12) Exposure of neutrophils to AS resulted in deactivation to AS but not to Escherichial coli or Staphylococcus epidermis culture filtrate.
  • (13) The delta-PKC-like kinase of mouse epidermis (p82-kinase) was down-regulated after topical application of 12-O-tetradecanoylphorbol-13-acetate (TPA) to mouse skin.
  • (14) The purpose of this report is to present the kinetics of reduction of epidermal mass following the production of the epidermal hyperplasia as the epidermis returns to its normal thickness during the period of regression.
  • (15) Immunoreactivity was restricted to the periderm and intermediate layers of fetal epidermis at 55 d of gestation, when the first wave of wool follicles are initiated.
  • (16) In hatched larvae around developmental stage 46, strong expression of 2NI-36 was observed in several tissues including the vascular endothelium, the pigmented epithelium and the inner layer of skin epidermis.
  • (17) Our results show that two major types of terminally differentiating keratinocytes can be distinguished in human epidermis, i.e.
  • (18) This results suggest the presence of structural abnormalities in epidermis of EB simplex.
  • (19) By contrast, epidermal Langerhans cell (LC) HLA-DR and T6 expressions in normal epidermis were greatly reduced by an identical dose of UVB.
  • (20) This calcium-binding protein was not in skin epidermis, but was confined to the dermal layer.