WebEffects of 5-hydroxytryptamine (5-HT) and forskolin on intracellular free calcium concentration ([Ca2+]i) were studied in suspensions of fura-2 loaded smooth-muscle cells from the anterior byssus retractor ‘catch’ muscle ofMytilus edulis. The successive addition of 5 mM carbachol (CCh) and 100 mM KCl to the suspension evoked a transient … WebAug 27, 1975 · Innervation of the anterior byssal retractor muscle in Mytilus edulis L. II. Ultrastructure of the glio-interstitial cells Studies on the intrinsic innervation of the anterior …
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WebThere is no byssal notch. Internally (Figure IB), the effect of the heteromyarian form upon the shell is more apparent. The posterior adductor (PA) and posterior byssal retractor muscles (PBR) are relatively larger than their anterior equiva lents (AA and ABR). The pallial line (PL) is thick and has a shallow pallial sinus (PS). WebAug 21, 2024 · From the surface up, there is the adhesive plaque and the thread, which is connected to the byssal retractor muscle hidden inside their shells. This muscle, controlled by a decentralized nervous system of paired ganglia, can contract and relax, thereby changing position of the animal relative to the substrate, as well as balance tension on …
WebAug 20, 2010 · h Section including a labial palp and anterior byssal retractor muscle. mg midgut gland, pm posterior byssal retractor muscle, nt nephric tubules, m mantle, g gill, f foot, ct connective tissue, oe outer epithelium, st stomach, am anterior byssal retractor muscle, e esophagus, lp labial palp, arrows immature germ cells. Web回収足首（anterio．r byssal retractor muscle）が好んで用ら れているが，本筋の分離摘出方法についての．詳細な報告は ない．本論：文では，イガイ（Mblti／us col－usctts GOULD）の 前収足．筋についてわれわれの試みた摘出方法を記載した．
WebThe byssus, secreted by a gland in the foot, secures the animal to a hard surface in preparation for burrowing. Its retention and enlargement in the adult has provided a … WebNov 1, 2024 · Posterior pedo-byssal retractor muscle scar well-marked, large, fused to the posterior adductor muscle scar. Small, deeply impressed, anterior pedo-byssal retractor muscle scar and accessory pedo-byssal muscle scar at the umbonal cavity. Faint radial grooves on the internal shell surface.
WebApr 13, 2024 · The circular mitochondrial genome of Mytilisepta virgata spans 14,713 bp, which contains 13 protein-coding genes (PCGs), 2 ribosomal RNA genes, and 22 transfer RNA genes. Analysis of the 13 PCGs reveals that the mitochondrial gene arrangement of Mytilisepta is relatively conserved at the genus level. The location of the atp8 gene in …
Webbyssal retractor is divided into two small circular scars, and the anterior adductor scar is narrow and deep. The shell margins of Plicatomytilus are noncrenulate, and the resilial ridge lacks pits (compact condition). Grant agd Gale (1931, p. 246) applied the subgeneric lord of the rings caveWebSep 19, 1997 · Byssal thread extensibility may be imparted by the elastic domains of preCol-P. Mussel byssal threads are undoubtedly among nature's most peculiar … lord of the rings cave trollWebStudies on the intrinsic innervation of the anterior byssal retractor muscle (ABRM) in Mytilus edulis L. were continued at the ultrastructural level. Electron micrographs show nerve processes ensheathed by glio-interstitial cells running between muscle fibers. The glio-interstitial cells may represent all the types of osmiophilic cells previously described … lord of the rings ceo film sa prevodomWebTonic molluscan muscles such as the anterior byssal retractor muscle of Mytilus (ABRM) are outstanding in two respects: First they contain, in even larger amounts than actin and myosin, tropomyosin-A (Bailey 1956; Rüegg 1961 a) which constitutes a system of filaments, the tropomyosin-paramyosin system (cf. Hall, Jakus & Schmitt 1945; Hanson … lord of the rings centerpiecesWebIn byssally attached bivalves, pedal retractors are reduced and byssal retractors serve to pull the animal down in closer opposition to the rock surface. In oysters, commensurate with the extreme reduction of the foot, pedal retractors are lost. This is also the case in swimming scallops. lord of the rings ch 5WebMar 23, 2016 · Other tissues such as central mantle, gonadal tissue, digestive gland, labial palps, foot, and byssal retractor muscle did not express the antigen. Immunohistochemistry assays identified MSP22.8 in cells located in the outer fold epithelium of the mantle edge up to the pallial line. Flow cytometry analysis showed that hemocytes from the ... lord of the rings chaWebApr 1, 1982 · The effect of temperature on the tension responses of the anterior byssal retractor muscle (abrm) of Mytilus edulis. Catherine M. Linehan. Catherine M. Linehan … lord of the rings certificate uk