(1) This situation highlights the potential importance of molecules with different inheritance patterns in elucidating complex cases of reticulate evolution.
(2) Reticulate acropigmentation of Kitamura in a mother and her daughter is reported.
(3) Dermatopathia pigmentosa reticularis is a rare heritable disorder consisting of a triad of cutaneous findings including reticulate hyperpigmentation, noncicatricial alopecia, and onychodystrophy.
(4) MRI delineated discrete lesions, typical of cavernous angiomas, with a mixed hyperintense, reticulated, central core surrounded by a hypointense rim.
(5) Finally we noted that the complete photoozonolytic degradation of the (iso)desmosines present in a semi purified reticulated elastolytic fraction resulted in a shift of the size distribution of these peptides toward lower values.
(6) Collagen reticulation was studied as a function of fiber location along these tendons by measuring hydrothermal isometric tension (HIT).
(7) It has a reticulated pattern and most resembles a spot of ink on the skin.
(8) In an electron microscope study on the developmental cycle of the goat pneumonitis strain of Chlamydia psittaci in L cells, it was observed that miniature reticulate bodies, measuring approximately 0.2 mum in diameter and surrounded by double unit membranes, were produced infrequently from normal-sized reticulate bodies through a "budding"-like process.
(9) The molecular weights of proteins synthesized by host-free reticulate bodies closely resembled the molecular weights of proteins synthesized by reticulate bodies in an intracellular environment, and included outer membrane proteins.
(10) Epidermal cells that would otherwise produce only alpha keratin in reticulate scales are induced to reorganize and differentiate into barb ridge cells that accumulate feather beta keratins.
(11) Ultrastructural examination of the co-infected cells showed that, although many CT-L2 inclusions were present, most were empty of reticulate bodies or elementary bodies.
(12) An analytical study was carried out on the different aspects presented by the nuclei (uni or multi-lobated); the nucleoli (compact, reticulate or dispersed); and the cytoplasm (immunoblastic, complex, intermediate).
(13) Small blood vessels were frequently observed in association with the reticulated epithelium.
(14) Both primordia come from the same source and their epithelium reticulizes and can form concentric corpuscles.
(15) The nucleolus, which has a reticulated fibrillogranular structure at the primordial and primary follicle stages, becomes entirely compact and is made up of a conspicuous and homogeneous mass at the antral follicle stage.
(16) The dermis of reticulate scales does not induce beta stratum formation, but it does support differentiation of a beta stratum by the determined 15-day scutate scale epidermis.
(17) Purified reticulate bodies were easily disrupted by mechanical agitation, and it was observed in shadowed preparation that ribosome-like particles 15 mmu in diameter were scattered from broken reticulate bodies.
(18) Three morphologically distinct rickettsial forms were observed in individual hypodermal cells: (i) typical growth forms with a finely reticulated cytoplasmic matrix and distinct ribosomes; (ii) atypical forms with lightly to densely staining cytoplasm and a coagulated appearance in which ribosomes cannot be distinguished from the matrix; and (iii) forms with crystalline bodies that have a striated to beaded lattice structure and, at times, a fibrillar body in the cytoplasm as well.
(19) As the result, reticulated nucleoli obtain the nucleolonemal structure.
(20) One of these proteins was confirmed, by analysis of the inferred amino acid sequence, as the 60-kDa Cr outer membrane protein associated with differentiation of reticulate bodies (RBs) into elementary bodies (EBs).
Reticulum
Definition:
(n.) The second stomach of ruminants, in which folds of the mucous membrane form hexagonal cells; -- also called the honeycomb stomach.
(n.) The neuroglia.
Example Sentences:
(1) Cyclic AMP stimulated phosphorylation by [gamma-32P]ATP of two proteins of apparent Mr = 20,000 and 7,000 that were concentrated in sarcoplasmic reticulum, but the stimulation was markedly dependent on the presence of added soluble cyclic AMP-dependent protein kinase.
(2) We have examined the insertion of bovine 17 alpha-hydroxylase (P45017 alpha) into the endoplasmic reticulum of COS 1 cells to evaluate the functional role of its hydrophobic amino-terminal sequence and membrane insertion.
(3) By 24 hr, rough endoplasmic reticulum in thecal cells increased from 4.2 to 7% of cell volume, while the amount in granulosa cells increased from less than 3.5% to more than 10%; the quantity remained relatively constant in the theca but declined to prestimulation values in the granulosa layer.
(4) The cis isomer was retained longer in liver, particularly in mitochondria, but had low retention in that portion of the endoplasmic reticulum isolated as the rough membrane fraction.
(5) Freshly isolated sarcoplasmic reticulum vesicles contain 0.05 mol of tightly bound ADP and 0.03 mol of tightly bound ATP per mol of Ca2+, Mg2+-ATPase (ATP phosphohydrolase, EC 3.6.1.3).
(6) Using an antibody to the nerve growth factor receptor (NGFR), we examined dendritic reticulum cells (DRCs) immunohistochemically in 62 formalin-fixed, paraffin-embedded lymph nodes from patients with reactive follicular hyperplasia or with various types of lymphoma.
(7) Combined SEM and TEM examination of the endothelium of compressed segments revealed "craters" and "balloons", blebs and vacuoles, swollen mitochondria, dilated granular endoplasmic reticulum, and subendothelial edema.
(8) In the case of the reticulum cell sarcoma, the tumor had not reappeared in some of the animals two months after cessation of treatment.
(9) This heretogeneity occurred mainly as a progressive, decreasing gradient in the first half of this pathway, between the rough endoplasmic reticulum and the mi-cisternae of the Golgi apparatus.
(10) 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.
(11) These early hyperplastic lesions revealed stellate-shaped dilated bile canaliculi lined by blebs and abnormally thick elongated microvilli, a decreased number of microvilli on the sinusoidal surface, a marked increase in smooth endoplasmic reticulum, large nucleoli, and bundles of pericanalicular microfilaments.
(12) Four fractions enriched, respectively, in plasma membrane (PM), smooth endoplasmic reticulum (SER), rough endoplasmic reticulum (RER), and mitochondria were isolated from estrogen-dominated rat myometrium.
(13) Comparison of the native and derivatized wheat germ CaMs with native bovine testis CaM indicates that the concentrations of these proteins required for half-maximal stimulation of either erythrocyte membrane Ca2+-ATPase activity or cardiac sarcoplasmic reticulum phosphorylation are very similar.
(14) Electron microscopic evaluation of microsomal fractions showed elements of the plasma membrane, including cilia and microvilli, as well as rough and smooth endoplasmic reticulum.
(15) This change in cholesterol esterification appears to be the result of reductions in the activity of acyl-CoA:cholesterol acyltransferase (ACAT) in the endoplasmic reticulum of the macrophages incubated with the n-3 polyunsaturated fatty acids.
(16) Ribosomes attached to the reticulum lost polysomal arrangement.
(17) In muscle cells the mitochondria were in the process of dissolving and the sarcoplasmic reticulum formed elongate cisternae.
(18) The unique structure we describe is a cytoplasmic organelle which, like annulate lamellae, is closely associated with the endoplasmic reticulum and is presumed to be related to the genesis of rough-surfaced endoplasmic reticulum in tumor cells.
(19) We have studied the effects of clinically useful anthraquinones on the cardiac sarcoplasmic reticulum calcium-release channel.
(20) The smooth endoplasmic reticulum present in the terminals of the offshoots of the light pinealocytes is possibly involved in pineal indoleamine synthesis.