(n.) The outer transparent layer of protoplasm in a developing ovum.
(n.) The outer hyaline layer of protoplasm in a vegetable cell.
(n.) The ectosarc of protozoan.
Example Sentences:
(1) The egg cortex is enriched in two organelles, ectoplasmic spherules and associated structures, which are similar in appearance to nuage.
(2) A mutant receptor lacking the entire cytoplasmic tail (except for the five proximal amino acids) was also expressed on the apical membrane, suggesting that information for apical sorting was contained in the ectoplasmic or transmembrane domains.
(3) By site-directed mutagenesis, a stop codon was introduced in the receptor cDNA at the border between the ectoplasmic and membrane-spanning domain.
(4) These vesicles: (a) fractionate like basolateral plasma membrane in sucrose density gradients and in free-flow electrophoresis; (b) can be separated from the bulk of the likely organellar contaminants, including membranes derived from the late Golgi cisternae, transtubular network, and endosomes; (c) contain the proven basolateral constituents CE 9 and the ASGP-R, as judged by vesicle immunoadsorption using fixed Staphylococcus aureus cells and anti-ASGP-R antibodies; and (d) are oriented with their ectoplasmic surfaces facing outward, based on the results of vesicle immunoadsorption experiments using antibodies specific for the ectoplasmic domain of the ASGP-R. Only at times of chase greater than 45 min do significant amounts of the mature radiolabeled apical proteins arrive at the apical domain, and they do so at different rates.
(5) Comparison of these ectoplasmic portions showed that two of the forms corresponded to previously described murine molecules whereas the third one had a different ectoplasmic portion generated by specific changes in two regions.
(6) (2) It has been shown that in protoplasmic drops the endoplasm-ectoplasm transformation is accompanied by an actin polymerization from the non-filamentous state to F-actin.
(7) Actin filaments are found in amebas (1, 12, 13) which react with vertebrate heavy meromyosin (HMM), forming arrowhead complexes as vertebrate actin (3, 9), and are prominent within the ectoplasmic tube where some of them are attached to the plasmalemma (1, 12).
(8) Numerous large vacuoles were present within the ectoplasm just beneath the plasma membrane in untreated cysts.
(9) Further, they indicate that vinculin is co-distributed with actin bundles within each ectoplasmic specialization.
(10) A high resting [Ca2+]i of 1.5 to 2.0 x 10(-7) M in the uroid region or in retracting pseudopodia is associated with the transformation of rigid ectoplasmic gel into fluid endoplasmic sol, and a low [Ca2+]i of 10(-9) to 10(-8) M in the front region or in extending pseudopodia with the re-transformation of endoplasmic sol into ectoplasmic gel.
(11) Filament bundles in ectoplasmic specializations adjacent to germ cells closely follow the contour of and are arranged parallel to the long axis of the developing acrosome.
(12) The Mr 46,000 mannose 6-phosphate receptor is an integral membrane protein with its ligand-binding site in the ectoplasmic domain.
(13) Ectoplasmic specializations (ES) facing spermatids were studied in species representative of four classes of non-mammalian vertebrates (Pisces--bluegill; Amphibia--bullfrog; Reptilia--red eared turtle; Aves--domestic chicken).
(14) Stationary ectoplasm and flowing endoplasm are involved in a mutual transformation process: thereia an exchange of ectoplasm and endoplasm in the form of protoplasmic streamlets crossing the borderline between the endoplasmic stream and the ectoplasmic tube.
(15) At the cell periphery, the lateral cell membrane showed bizarre interdigitation and the ectoplasm showed hyaloplasmic rarefaction.
(16) The plasmalemma and hyaline ectoplasm together constitute the sensory and motor organ of macrophages.
(17) The results showed three types of ectoplasmic projections: namely, (i) a smooth surface and a narrow base; (ii) many folds and pits; and (iii) a ruffled surface and broad base, seen in clusters and located at intervals on the antimesometrial side only.
(18) The mechanical force responsible apparently originates from the formation of an ectoplasmic mucilage capable of exerting pressure over all of the ascus contents; when the apex of the peduncle ruptures, the ascospores are violently released.
(19) This finding suggested the resemblance of the area of the worm-like bodies to the ectoplasm.
(20) Isolated seminiferous epithelia, combined with NBD-phallacidin as a probe for actin, provide an ideal model system in which to study further the contractile properties of Sertoli cell ectoplasmic specializations and the possible involvement of these structures in events that occur during spermatogenesis.
Visible
Definition:
(a.) Perceivable by the eye; capable of being seen; perceptible; in view; as, a visible star; the least spot is visible on white paper.
(a.) Noticeable; apparent; open; conspicuous.
Example Sentences:
(1) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
(2) Photoreactions induced in that proper sensitizer molecules absorb UV-light or visible light.
(3) But do you know the thing that really bites?” he pointed to his home, which was not visible behind an overgrown hedge.
(4) The epididymis appeared distended but without any visible sperms.
(5) Stage E12 is characterized by the modifications of the CL fraction, particularly the beta-group; at this stage the first dendrites become visible.
(6) To determine the severity of regurgitation by dynamic MRI, several parameters were analyzed, including the number of slices with visible signal loss, the time course of the signal loss, and its maximal area and maximal volume.
(7) Visible light activates a large guanosine cyclic 3',5'-phosphate (cGMP)- and phosphodiesterase (PDE)-dependent infrared light-scattering change in suspensions of photoreceptor disk membranes.
(8) However, cytophotometric DNA analysis disclosed that significant increases in proliferative activity of mucosa had occurred 4 weeks before the appearance of histopathological dysplasia, and 8 weeks prior to development of grossly visible tumors.
(9) Patients in group A had smoother increases in oxygen uptake and core temperatures, greater cardiovascular stability as reflected by the rate-pressure product, and no visible shivering.
(10) The dried-specimen-teasing method appears useful, because of the ease of preparation of the specimens, its reproducibility, and the degree of visibility and preservation of cell surface structures and intraclonal relationships.
(11) 3) In Group D, B1 was visible in 19 out of 25 patients and in 18 patients out of these 19 patients, cancer invasion toward B1 was histopathologically confirmed.
(12) Use of sunglasses that block all ultraviolet radiation and severely attenuate high-energy visible radiation will slow the pace of ocular deterioration and delay the onset of age-related disease, thereby reducing its prevalence.
(13) Conventional follow-up of patients with colonic neoplasia will at best only identify symptomatic lesions and those visible with a sigmoidoscope, and will therefore fail to identify new malignant lesions in time for effective treatment.
(14) A planet with conditions that could support life orbits a twin neighbour of the sun visible to the naked eye, scientists have revealed.
(15) RR spectra of fatty acyl-CoA and its complexes are consistent with the previous hypothesis that visible spectral shifts observed during formation of acetoacetyl-CoA and crotonyl-CoA complexes of fatty acyl-CoA dehydrogenase result from charge-transfer interactions in which the ground state is essentially nonbonding as opposed to interactions in which complete electron transfer occurs to form FAD semiquinone.
(16) Both patients had high levels of circulating capsular polysaccharide, and one patient had visible diplococci on a smear of the peripheral blood.
(17) Unconjugated bilirubin visibly accumulated in the interstitium of the renal papillary tip.
(18) Treatment with DEAE-cellulose under the conditions described does not induce any visible degradation of mitochondria and mitochondrial DNA.
(19) Electron microscope examinations of the developing triadic junction in fibers from leg muscles of fetal and postnatal rats reveal a range of complexity from no structural connections across the space between apposed membranes of T and SR to all of the junctional structures visible in adult rat muscle fibers.
(20) In addition to the proteinase, 3 or 4 peptides (16-22.0 kDa) were visible in SDS-PAGE gels of gland cell proteins; on boiling, these peptides aggregated to 31 kDa.