What's the difference between grain and granule?

Grain


Definition:

  • (v. & n.) See Groan.
  • (n.) A single small hard seed; a kernel, especially of those plants, like wheat, whose seeds are used for food.
  • (n.) The fruit of certain grasses which furnish the chief food of man, as corn, wheat, rye, oats, etc., or the plants themselves; -- used collectively.
  • (n.) Any small, hard particle, as of sand, sugar, salt, etc.; hence, any minute portion or particle; as, a grain of gunpowder, of pollen, of starch, of sense, of wit, etc.
  • (n.) The unit of the English system of weights; -- so called because considered equal to the average of grains taken from the middle of the ears of wheat. 7,000 grains constitute the pound avoirdupois, and 5,760 grains the pound troy. A grain is equal to .0648 gram. See Gram.
  • (n.) A reddish dye made from the coccus insect, or kermes; hence, a red color of any tint or hue, as crimson, scarlet, etc.; sometimes used by the poets as equivalent to Tyrian purple.
  • (n.) The composite particles of any substance; that arrangement of the particles of any body which determines its comparative roughness or hardness; texture; as, marble, sugar, sandstone, etc., of fine grain.
  • (n.) The direction, arrangement, or appearance of the fibers in wood, or of the strata in stone, slate, etc.
  • (n.) The fiber which forms the substance of wood or of any fibrous material.
  • (n.) The hair side of a piece of leather, or the marking on that side.
  • (n.) The remains of grain, etc., after brewing or distillation; hence, any residuum. Also called draff.
  • (n.) A rounded prominence on the back of a sepal, as in the common dock. See Grained, a., 4.
  • (a.) Temper; natural disposition; inclination.
  • (a.) A sort of spice, the grain of paradise.
  • (v. t.) To paint in imitation of the grain of wood, marble, etc.
  • (v. t.) To form (powder, sugar, etc.) into grains.
  • (v. t.) To take the hair off (skins); to soften and raise the grain of (leather, etc.).
  • (n.) To yield fruit.
  • (n.) To form grains, or to assume a granular ferm, as the result of crystallization; to granulate.
  • (n.) A branch of a tree; a stalk or stem of a plant.
  • (n.) A tine, prong, or fork.
  • (n.) One the branches of a valley or of a river.
  • (n.) An iron first speak or harpoon, having four or more barbed points.
  • (n.) A blade of a sword, knife, etc.
  • (n.) A thin piece of metal, used in a mold to steady a core.

Example Sentences:

  • (1) First, it has diverted grain away from food for fuel, with over a third of US corn now used to produce ethanol and about half of vegetable oils in the EU going towards the production of biodiesel.
  • (2) It is possible that the formation of a mycetoma grain may limit a patient's exposure to antigens which confer specificity, an explanation which may also account for the variability in antibody responses seen.
  • (3) Preserving alfalfa as silage and feeding in a TMR to cows in early lactation resulted in greater milk production via increased DMI or improved feed efficiency compared with preserving alfalfa as hay and feeding grain separately.
  • (4) Results indicate that the rachitogenic factor in rye is not present in the ash portion of the grain, that it can be largely overcome by water extraction and penicillin supplementation, and that an organic solvent extraction has no effect.
  • (5) Light microscope autoradiography revealed the development of specific silver grains in the medial layer of epineurial and perineurial arteries in sections of sciatic nerve exposed either to [3H]DHA or [3H]QNB.
  • (6) The 180-acre imperial palace appears to send ripples through the surrounding urban grain like a rock thrown into a pond, forming the successive layers of ring-roads.
  • (7) The impact of pollen on the respiratory mucosa was modeled by studying the process by which solutes are eluted from pollen grains.
  • (8) One part fresh pollen grains is uniformly mixed with nine parts of the solution and left at room temperature for at least 5 hr.
  • (9) With [3H]proline as precursor, the grain densities were greater over surface epithelium than over submucosal gland.
  • (10) We have recently demonstrated in vitro a potential biological mechanism which could occur in vivo upon inhaling airborne graon dust, thereby constituting a potential inflammatory insult to the respiratory tracts of grain workers.
  • (11) In addition, livestock-rearing can use up to 200 times more water a kilogram of meat compared to a kilo of grain.
  • (12) Dietary recommendations for cancer prevention advise reduced intake of fat; increased intake of fruits, vegetables, and grains; and moderate intake of alcohol and salt-cured, salt-pickled, and smoked foods.
  • (13) Most cases are diagnosed histologically by identification of an actinomycotic grain in the center of the abscess or by cytologic features on Papanicolaou smears.
  • (14) The labelling intensity (as estimated by the number of silver grains per unit of cytoplasmic area) was maximum in cells having dense-cored vesicles whose mean diameter was between 130 and 170 nm, but decreased for cells with mean diameter of dense cores smaller than 130 nm, or larger than 170 nm.
  • (15) Comparison of autoradiograms with Nissl-stained sections allowed precise correlation of autoradiographic grain distribution with cytoarchitecture.
  • (16) "Nonthyroidectomy" cells had few silver grains over RER; most were over secretory granules and Golgi areas.
  • (17) After 2,6 and 24 hours there is a progressive increase of silver grains on the extracellular space most of them concentrated over thick collagen fibrils.
  • (18) The grain distribution over luteal cells and arteriolar smooth muscle was reduced (p less than 0.001) after coincubation with excess unlabeled LTC4 but not with excess unlabeled LTA4, LTB4, LTD4, LTE4, prostaglandin (PG)E2, PGF2 alpha or PGI2.
  • (19) The pollen sterility (up to 30% of grains) is due to the abortive spore development.
  • (20) The resolution of radioautography with 59Fe was determined with a line source and the distance from the hot line within which half of the grains fell (HD value) was 1650 A.

Granule


Definition:

  • (n.) A little grain a small particle; a pellet.

Example Sentences:

  • (1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
  • (2) The extrusion of granules into the intercellular space via exocytosis is frequently observed.
  • (3) We have previously shown that serotonin is present in secretory granules of frog adrenochromaffin cells; concurrently, we have demonstrated that serotonin is a potent stimulator of corticosterone and aldosterone secretion by adrenocortical cells.
  • (4) Finally, it could be observed that elevated osmotic pressures reduced the lysis of isolated secretory granules when bicarbonate ions were present in the incubation medium.
  • (5) In addition, transitional macrophages with both positive granules and positive RER, nuclear envelope, negative Golgi apparatus (as in exudate- resident macrophages in vivo), and mature macrophages with peroxidatic activity only in the RER and nuclear envelope (as in resident macrophages in vivo) were found.
  • (6) They had no endocrine-like granules and were not associated with nerves or basement membranes.
  • (7) Electron microscopic immunohistochemistry revealed histamine-immunostaining in granules in a small number of nerve fibers and varicosities.
  • (8) Results of detailed studies on tissue reactions to Cysticercus bovis in the heart of cattle, together with a comparison of findings in animals with spontaneous and experimental infection, and an evaluation of tissue reactions in relation to the location, morphology and morphogenesis of C. bovis provided evidence for the fact that in general, the response of the heart to the presence of C. bovis was an inflammatory reaction characterized by the origin of a pseudoepithelial border and a zone of granulation tissue.
  • (9) The presence of a previously unreported dipeptide transport mechanism within blood leukocytes and the selective enrichment of the granule enzyme, DPPI, within cytotoxic effector cells of lymphoid or myeloid lineage appear to afford a unique mechanism for the targeting of immunotherapeutic reagents composed of simple dipeptide esters or amides.
  • (10) The volume density of glycogen granules in hepatocytes was highest 4 hr after the secretory granules of B cells showed the lowest value.
  • (11) A new technique to obliterate the mastoid volume or to reduce an old cavity by means of hydroxyapatite granulate is presented.
  • (12) The data suggest that proinsulin, normally processed in secretory granules and released via the regulated pathway, may also be processed, albeit less efficiently, by the constitutive pathway conversion machinery.
  • (13) In telecost fishes, the corpuscles of Stannius contain Bowie-stainable granules and a renin-like pressor substance.
  • (14) Electron microscopy revealed a well-developed rough endoplasmic reticulum, an enlarged Golgi apparatus and many highly electron-dense secretory granules resembling those of Clara cells.
  • (15) The study confirms that secretin influences pancreatic protein secretion and indicates in addition, that pharmacologic doses of the hormone, have the capacity to block acinar cell zymogen granule release.
  • (16) Immunoreactions of LTR which were seen in specific granules of neutrophils and monocytes attached to the endothelial cell surface may indicate the onset of endothelial cell damage.
  • (17) The capacity of granule-cell networks to separate overlapping patterns of activity on their inputs is adequate, with spatial variability in the secretion at synapses, but is improved if there is also temporal variability in the stochastic secretion at individual synapses, although this is at the expense of reliability in the network.
  • (18) These results suggest that bPAG is probably synthesized by trophoblast binucleate cells and stored in granules prior to delivery into the maternal circulation after cell migration.
  • (19) CAM, especially CD11c, were also detected in cytoplasmic granules by immunostaining in IL2-activated NK cells.
  • (20) The outstanding morphologic feature of cortical cells exposed to microunit ACTH concentrations for 40 min was the abundance of electron-dense granules (0.2-0.4 mum).