granule

(redirected from secretory granule)
Also found in: Dictionary, Thesaurus, Medical.

granule,

in astronomy: see photospherephotosphere,
luminous, apparently opaque layer of gases that forms the visible surface of the sun or any other star. The photosphere lies between the dense interior gases and the more attenuated gases of the chromosphere.
..... Click the link for more information.
.

granule

[′gran·yül]
(astronomy)
A convective cell in the solar photosphere, about 600 miles (1000 kilometers) in diameter.
(geology)
A somewhat rounded rock fragment ranging in diameter from 2 to 4 millimeters; larger than a coarse sand grain and smaller than a pebble.

granule

Geology a single rock fragment in gravel, smaller than a pebble but larger than a sand grain
References in periodicals archive ?
For comparison, secretory granules have diameters on the order 100-500 nm [16-19].
Rapid ATP-dependent priming of secretory granules precedes [Ca.sup.2+]-induced exocytosis in mouse pancreatic B-cells.
Hoops, "The pancreatic membrane protein GP-2 localizes specifically to secretory granules and is shed into the pancreatic juice as a protein aggregate," European Journal of Cell Biology, vol.
Proteoglycan 1, secretory granule (PRG1), an early response gene regulated by P53 and NF-[kappa]B (Schafer et al.
Electron density of the secretory granule was low, and the internal space of the secretory granule was filled with fine granular substances.
Many secretory granules ultra structurally visible were electron-dense, uniformly spherical and generally 240 to 410 nm in diameter, with no gap between membrana limitans and endocrine (Fig.
Also, the epididymis showed some regression signals, in particular, the epithelial cells lining the corpus were poorly secreting, and very few spermatozoa and secretory granules were present in the lumen (Figure 2(c)).
Neutrophils secrete their products via a variety of the mechanisms, including fusion of secretory granules with the plasma membrane [34] and shedding of membrane vesicles (ectosomes) from the plasma membrane [35-39].
The centroacinar cells were located in the gland cavity which was surrounded by the gland cells that were lighter in color, contained a kernel that was not obvious, and there were no secretory granules in the cytoplasm (Fig.
H&E images of the cGVHD-impaired murine lacrimal gland showed inflammatory cell infiltration into the stroma and decreased secretory granules in the epithelia (Figures 2(a), 2(b), 2(c), and 2(d)).
Specific (secondary) granules include proteins such as lactoferrin and lysozyme, and gelatinase (tertiary) granules contain leukolysin and matrix metalloproteinase 9 (MMP9; also known as gelatinase B) and finally quaternary (secretory granules).