(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.
Micropyle
Definition:
(n.) An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted.
(n.) An opening in the outer coat of a seed, through which the fecundating pollen enters the ovule.
Example Sentences:
(1) The micropyle canal measures 8 microns at the opening and tapers to 3.6 microns as it penetrates the membrane.
(2) This stain permits pollen tubes to be traced even up to their entry into the micropyle.
(3) The outer layer formed densely accumulated protrusions, whilst the inner layer was smooth and formed a collar structure around the micropyle.
(4) A micropyle and oocyst residuum are absent, but a polar granule is present.
(5) Only unsporulated oocysts were detected in the intestine, and sporulation occurred when feces containing oocysts were incubated for 48 h in seawater at 21 degrees C. Oocysts are elongated (24.8 x 14.7 micron) with a wall about 200 nm thick and have no residuum, micropyle, or polar granule.
(6) Contrary to the widely accepted view that chiton sperm lack acrosomes and that fertilization in this group occurs via a micropyle, we demonstrate here that fertilization in Tonicella lineata occurs by acrosome-mediated sperm-egg fusion.
(7) Sperm from the white sturgeon, Acipenser transmontanus possess an acrosome while the eggs possess numerous micropyles.
(8) were ovoid, 17.6 X 13.6 (16-20 X 11-16) micron; micropyle and oocyst residuum were absent, but a polar body was present.
(9) The plastron region partially encircles the micropyle (anterior end) of the egg and extends along the dorsal surface to the posterior pole; it is delineated laterally by the hatch lines.
(10) Sperm stored in the spermatheca probably is pumped onto the micropyle of the egg during this pause.
(11) are ellipsoidal, 27.3 x 23.6 (22-30 x 20-27) microns; a polar body is present, but no oocyst residuum or micropyle occurs.
(12) The structure of oocysts is described; a peculiar bumpy surface and a calyx-like thickening around the micropyle are illustrated by scanning electron microscopy.
(13) The oocyst wall is smooth, single-layered, with no micropyle.
(14) This indicates a new function for these cells though previously to contribute mainly in the formation of the micropyle.
(15) Neither micropyle, polar granules, nor oocyst residuum were present.
(16) A rapid and steady growth of pollen tubes, their accumulation near the micropyle and penetration in it are observed in self-fertile plants.
(17) After microinjection into fertilized, nonactivated Atlantic salmon eggs via the micropyle, transgenic Atlantic salmon were generated.
(18) are spheroid or subspheroid, 24.6 x 23.5 (21-27 x 20-25) microns, with a shape index of 1.05 (1.0-1.09) but with no micropyle, oocyst residuum, or polar granules.
(19) A micropyle and micropylar cap were observed, but a polar granule and oocyst residuum were absent.
(20) The oocyst wall is a single, colorless layer about 0.6-1.0 microns thick with no striations or micropyle.