What's the difference between integument and nucellus?

Integument


Definition:

  • (n.) That which naturally invests or covers another thing, as the testa or the tegmen of a seed; specifically (Anat.), a covering which invests the body, as the skin, or a membrane that invests a particular.

Example Sentences:

  • (1) Peculiarities of the body integument, proportions, development of the fat component of the body mass etc.
  • (2) Biochemical analyses of the dorsal integument of the isopod, Armadillidium vulgare, revealed that sepiapterin, biopterin, pterin, isoxanthopterin and uric acid accumulated in the yellow-colored chromatophores which are distinguishable from ommochrome chromatophores.
  • (3) Confusing this lesion with metastatic deposits during 201Tl neoplastic evaluations can be avoided by examination of the adjacent integument.
  • (4) Subdivision of the scales also allowed a close fit between the elements of the insulative integument.
  • (5) Progressive systemic sclerosis (PSS; scleroderma) is a multisystem disease characterized by inflammation, fibrosis and degeneration of the integument, with similar changes and vascular lesions in the heart, lungs, kidneys, gastrointestinal tract and synovia.
  • (6) Epithelial-mesenchymal interactions play important roles in the development of the vertebrate integument with its diverse appendages.
  • (7) Chemical alteration of the acquired pellicle appears to be the major reason for these brown integuments.
  • (8) Three objectives have priority in surgical therapy: 1) complete (wide) resection of tumor, 2) reconstruction of the chest wall to allow adequate spontaneous ventilation, and 3) cosmetically acceptable coverage with integument.
  • (9) The safety of mesothelial integument in hepar capsula has not been damaged.
  • (10) Spontaneous cellular differentiation (glandular units appearance with a well-defined duct) is observed in larval integument of Schistocerca cultured in an hormone free medium.
  • (11) It was characterized by two inner and two outer hooks adjacent to the mouth opening, the presence of accessory lobes (or spines) on the outer hooks, a vertical slit-like mouth opening surrounded by a U-shaped conformation of integument, and annulation of the body surface.
  • (12) Reflecting chromatophores in the integument of the guppy, Lebistes reticulatus Peters, are of two distinct types, iridophores and leucophores.
  • (13) These data demonstrate that this enteric peptide-producing cell is strikingly similar both morphologically and biochemically to the granular gland, previously considered a highly specialized structure of the amphibian integument.
  • (14) Dermal tumour development within the dorsal integument and groin region ultimately projected into the epidermis and occurred during the 3 month period subsequent to the last DMBA injection.
  • (15) The dermal cells in grey, xanthic, and white goldfish integuments were cytochemically characterized for the following enzymatic activities: tyrosinase, DOPA-oxidase, cytochrome oxidase, monoamine oxidase, peroxidase, non-specific esterase, cholinesterase, NAD-diaphorase, NADP-diaphorase, aryl sulfatase, nucleotide phosphodiesterase, beta-glucuronidase, acid phosphatase, alkaline phosphatase, adenosine triphosphatase, thiamine pyrophosphatase, glucose-6-phosphatase, aldolase, as well as succinate, malate, isocitrate, glutamate, glucose-6-phosphate, 6-phosphogluconate, alpha-glycerophosphate, alcohol, lactate, and beta-hydroxybutyrate dehydrogenases.
  • (16) In the integument (toe web), diester greater than monoester approximately equal to free alcohol were found.
  • (17) We have compared the anatomy of immature axolotl integument from limb-forming regions with adjacent non-limb-forming regions of the flank, concentrating on the earliest stages of limb bud development.
  • (18) The relative scarcity of primary and secondary skin infections in birds depends, at least in part, on the functional morphological barrier presented by the avian integument.
  • (19) The dynamics of growth processes was studied in the integument and nucellus of Pinus silvestris during the year of fertilization.
  • (20) The venous drainage mirrors the arterial supply in the deep tissues and in most areas of the integument in the head, neck, and torso.

Nucellus


Definition:

  • (n.) See Nucleus, 3 (a).

Example Sentences:

  • (1) The dynamics of growth processes was studied in the integument and nucellus of Pinus silvestris during the year of fertilization.
  • (2) The growth of micropylar part of the nucellus and integument proceeds, mainly at the expense of cell proliferation.
  • (3) Pollination stimulated accumulation of several reserve substances and enzymes in the tip of nucellus beak, micropylar zone and these included starch, peroxidase, phosphorylase succinate dehydrogenase, cytochrome oxidase etc.
  • (4) Nucellus cells also stored diverse substances and enzymes especially towards the chalazal end.
  • (5) Recovery from the repressor did not occur readily in Citrus nucellus following recultures in citron-ovule-free medium; carrot callus resumed normal embryogenesis immediately upon transfer to suppressor-free medium.
  • (6) The larges nuclei are situated in the micropylar part of nucellus.
  • (7) Citrus reticulata Blanco Ponkan mandarin nucellus explants and Daucus carota L. 'Queen Anne's Lace' callus were employed to examine effects of known plant growth regulators and to determine possible identity of one or more of them with the repressive factor.
  • (8) In the part of nucellus concrescent with the integument, the mitotic activity disappears still prior to fertilization and the growth proceeds, mainly, at the expense of cell elongation.
  • (9) It could arise from a damage of the feeding function of the nucellus.
  • (10) The nucellus of Zea mays contains many enzymes required for hydrolysis of reserved food substances.
  • (11) The growth of two parts of the nucellus and integument under study is described by an S-shaped curve but the dynamics of growth processes and the ratio of cell reproduction and elongation differ in each tissue.
  • (12) In ovaries sampled before and after fertilization, a 3H-labeled histone RNA probe was localized in the cells of the pericarp, outer integument and nucellus but binding of the probe decreased as these tissues senesced.
  • (13) Pollination stimulated the accumulation of several substances and enzymes in the tip of the nucellus, micropylar zone.

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