نتایج جستجو برای: creolophus cirrhatus
تعداد نتایج: 18 فیلتر نتایج به سال:
We applied high-throughput sequencing to eye tissue from several species of basal vertebrates (a hagfish, two species of lamprey, and five species of gnathostome fish), and we analyzed the mRNA sequences for the proteins underlying activation of the phototransduction cascade. The molecular phylogenies that we constructed from these sequences are consistent with the 2R WGD model of two rounds of...
Abstract Sermo Wildlife Sanctuary (SWS) is a well-known protected area in Kulon Progo district, Indonesia that has unique plants, animals, and ecosystems. Different from common areas which usually have native this mostly occupied by commercial trees such as teak ( Tectona grandis ) Mahagony Swietenia mahagony since historically was production forest. Although it covered homogeneous forest, the ...
Hagfish have an unusual circulation with intravascular pressures that are lower than those in other vertebrates (Davie et al. 1987; Forster, 1989) and since peripheral resistances appear similar to those of teleost fishes (Rood, 1979; Elger, 1987), it follows that blood flow rates will also be lower. One might therefore predict that the relatively low haematocrits in hagfish (Johansen et al. 19...
Hypoxic vasoconstriction (HV) is an intrinsic response of mammalian pulmonary vascular smooth muscle (VSM). In the present study, HV was examined by myography of vessel rings from three primitive vertebrates: New Zealand hagfish (NZH), Pacific hagfish (PH), and sea lamprey (SL). Hypoxia dilated pre-gill arteries (ventral aorta, afferent branchial) from all species, whereas it contracted systemi...
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