196,337 research outputs found
Spectral analysis of the fourth heart sound: a discriminant between normal and abnormal myocardial function
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Mitochondrial DNA reveals genetic structuring of <i>Pinna nobilis</i> across the Mediterranean Sea
No full textPinna nobilis is the largest endemic Mediterranean marine bivalve. During past centuries, various human activities have promoted the regression of its populations. As a consequence of stringent standards of protection, demographic expansions are currently reported in many sites. The aim of this study was to provide the first large broad-scale insight into the genetic variability of P. nobilis in the area that encompasses the western Mediterranean, Ionian Sea, and Adriatic Sea marine ecoregions. To accomplish this objective twenty-five populations from this area were surveyed using two mitochondrial DNA markers (COI and 16S). Our dataset was then merged with those obtained in other studies for the Aegean and Tunisian populations (eastern Mediterranean), and statistical analyses (Bayesian model-based clustering, median-joining network, AMOVA, mismatch distribution, Tajima’s and Fu’s neutrality tests and Bayesian skyline plots) were performed. The results revealed genetic divergence among three distinguishable areas: (1) western Mediterranean and Ionian Sea; (2) Adriatic Sea; and (3) Aegean Sea and Tunisian coastal areas. From a conservational point of view, populations from the three genetically divergent groups found may be considered as different management units
Bilateral Perichondritis of Pinna following piercing of Pinna - A case report
No full textPiercing of Helix of pinna is a social custom of certain communities in Northern Tamil Nadu. Such a “high helical” piercing is well known to cause Perichondritis of Pinna. Most of the times such a Perichondritis is unilateral. Here we present a case of Bilateral Perichondritis of pinna, following
ear piercing, first time from India subcontinent. We also highlight some practical points on management of such cases.</p
Cetopsidiini De Pinna & Ferraris & Vari 2007, NEW TRIBE
No full textTRIBE CETOPSIDIINI, NEW TRIBE <p> <i>Type genus</i>: <i>Cetopsidium</i> Vari, Ferraris & de Pinna, 2005</p> <p> <i>Diagnosis</i> (Br: 3, jk: 93,bs: 91):</p> <p>Uncinate process of first hypobranchial longer than free anterior margin of bone (65);</p> <p> Third hypobranchial with long axis oblique relative to basibranchial series (69, reversed in <i>Cetopsidium orientale</i> and convergent in <i>Denticetopsis sauli</i>)</p> <p> Presence of transverse radial anterior to anal-fin pterygiophores (109, convergent with <i>Cetopsis</i> and subsequently reversed in <i>C. amphiloxa</i>);</p> <p> Lateral line not reaching past vertical through posterior terminus of anal-fin base (127, State 2, convergent with <i>Denticetopsis sauli</i> and the outgroup species <i>Nematogenys inermis</i>);</p> <p> <i>Included genera</i>: <i>Cetopsidium</i> Vari, Ferraris and de Pinna, 2005</p> <p> Genus <i>Cetopsidium</i> Vari, Ferraris and de Pinna, 2005</p> <p> <i>Cetopsidium</i> Vari, Ferraris and de Pinna, 2005 (type species: <i>Pseudocetopsis orientale</i> Vari, Ferraris and Keith, 2003).</p> <p> <i>Diagnosis</i>: As for the tribe.</p> <p> <i>Included species</i>: <i>Cetopsidium ferreirai</i> Vari, Ferraris, and de Pinna, <i>C. minutum</i> (Eigenmann) (Fig. 35), <i>C. morenoi</i> (Fernández-Yépez), <i>C. orientale</i> (Vari, Ferraris, and Keith), <i>C. pemon</i> Vari, Ferraris, and de Pinna, and <i>C. roae</i> Vari, Ferraris, and de Pinna.</p>Published as part of <i>De Pinna, Mário C. C., Ferraris, Carl J. & Vari, Richard P., 2007, A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification, pp. 755-813 in Zoological Journal of the Linnean Society 150 (4)</i> on page 802, DOI: 10.1111/j.1096-3642.2007.00306.x, <a href="http://zenodo.org/record/5431716">http://zenodo.org/record/5431716</a>
First record of the protected species Pinna nobilis (Linnaeus, 1758) in the Aquatina Lagoon (NATURA 2000 site IT9150003, South-East Italian coastline)
No full textInformation on the presence of Pinna nobilis (Linnaeus, 1758) in the Mediterranean Sea is largely reported in literature because it is an endemic and, at the same time, endangered species. Besides, this record contributes to enlarge the spatial distribution of this species in the South-East Italian coastline (Adriatic Sea). P. nobilis is a protected species under the EU Habitats Directive (1992). In particular, P. nobilis has been recorded for the first time in the Aquatina Lagoon, a transitional water ecosystem included in the NATURA 2000 site "Aquatina di Frigole" (IT9150003). Therefore, this finding underlines the role of transitional water ecosystems as "nursery habitats" for P. nobilis as well as the relevance of conservation actions introduced by the EU with the NATURA 2000 network for preserving the biodiversity
Denticetopsini De Pinna & Ferraris & Vari 2007, NEW TRIBE
No full textTRIBE DENTICETOPSINI, NEW TRIBE <p> <i>Type genus</i>: <i>Denticetopsis</i> Ferraris, 1996</p> <p> <i>Diagnosis</i> (Br:> 5, jk: 99,bs: 99)</p> <p>Lateral-most one or two premaxillary teeth larger than remaining premaxillary teeth, with their longitudinal axis parallel, or nearly parallel, to longitudinal plane of premaxilla (10);</p> <p>Hyoid branch of hyoideomandibular nerve on hyomandibula trespassing hyomandibula and running exposed on its lateral surface (18, convergent with Helogeninae);</p> <p>Passage for trigeminal nerve narrow and constricted by dorsal lamina of metapterygoid (19);</p> <p> Vomer with median protuberance anteriorly on ventral surface (41, convergent with clade formed by <i>Cetopsidium pemon</i> and <i>Cetopsidium</i> sp.);</p> <p> Dorsal surface of shaft of mesethmoid strongly concave (43, convergent with <i>Cetopsis amphiloxa</i>);</p> <p>First hypobranchial with posteromedial concavity, strongly arched (66);</p> <p>Interhyal distinctly elongate, with length approximately six or more times its length (80);</p> <p>Posterior process of posterior ceratohyal long and well defined, extending posteriorly or posterodorsally along posterior margin of interhyal (85);</p> <p>Posteriorly directed process of basipterygial cartilage distal to lateral bifurcation absent (111);</p> <p>Base of unbranched ray of pelvic fin approximately twice as wide as base of branched fin rays (116).</p> <p> <i>Included genera</i>: <i>Denticetopsis</i> Ferraris, 1996</p> <p> Genus <i>Denticetopsis</i> Ferraris, 1996</p> <p> <i>Denticetopsis</i> Ferraris, 1996 (type species: <i>Denticetopsis sauli</i> Ferraris, 1996).</p> <p> <i>Diagnosis</i>: As for tribe.</p> <p> <i>Included species</i>: <i>Denticetopsis epa</i> Vari, Ferraris, and de Pinna, <i>D. iwokrama</i> Vari, Ferraris, and de Pinna (Fig. 36), <i>D. macilenta</i> (Eigenmann), <i>D. praecox</i> (Ferraris and Brown), <i>D. royeroi</i> Ferraris, <i>D. sauli</i> Ferraris.</p> <p> <i>Included species</i>: <i>Paracetopsis atahualpa</i> Vari, Ferraris, and de Pinna, <i>P. bleekeri</i> Bleeker, <i>P. esmeraldas</i> Vari, Ferraris, and de Pinna (Fig. 37).</p>Published as part of <i>De Pinna, Mário C. C., Ferraris, Carl J. & Vari, Richard P., 2007, A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification, pp. 755-813 in Zoological Journal of the Linnean Society 150 (4)</i> on pages 802-803, DOI: 10.1111/j.1096-3642.2007.00306.x, <a href="http://zenodo.org/record/5431716">http://zenodo.org/record/5431716</a>
A novel method to allow noninvasive, longitudinal imaging of the murine immune system in vivo
No full textIn vivo imaging has revolutionized understanding of the spatiotemporal complexity that subserves the generation of successful effector and regulatory immune responses. Until now, invasive surgery has been required for microscopic access to lymph nodes (LNs), making repeated imaging of the same animal impractical and potentially affecting lymphocyte behavior. To allow longitudinal in vivo imaging, we conceived the novel approach of transplanting LNs into
the mouse ear pinna. Transplanted LNs maintain the structural and cellular organization of conventional secondary lymphoid organs. They participate in lymphocyte
recirculation and exhibit the capacity to receive and respond to local antigenic challenge. The same LN could be repeatedly imaged through time without the requirement for surgical exposure, and the dynamic behavior of the cells within the transplanted LN could be characterized. Crucially, the use of blood vessels as fiducial markers also allowed precise re-registration of the same regions for
longitudinal imaging. Thus, we provide the first demonstration of a method for repeated, noninvasive, in vivo imaging of lymphocyte behavior
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