Results 71 to 80 of about 21,717 (320)

Cetacean stranding records along the Shanghai–Zhejiang coastline in China: implications for distribution and conservation

open access: yesFrontiers in Marine Science
Cetacean ecology has been poorly studied in the Shanghai-Zhejiang waters of East China Sea, seriously hindering appropriate local conservation practices.
Jing Yuan   +4 more
doaj   +1 more source

Return to the Sea, Get Huge, Beat Cancer: An Analysis of Cetacean Genomes Including an Assembly for the Humpback Whale (Megaptera novaeangliae)

open access: yesMolecular biology and evolution, 2019
Cetaceans are a clade of highly specialized aquatic mammals that include the largest animals that have ever lived. The largest whales can have ∼1,000× more cells than a human, with long lifespans, leaving them theoretically susceptible to cancer. However,
Marc Tollis   +11 more
semanticscholar   +1 more source

Discovery of sexual dimorphism of the laryngeal sac in the common minke whale Balaenoptera acutorostrata

open access: yesThe Anatomical Record, EarlyView.
Abstract Mysticetes, or baleen whales, have an air sac on the ventral surface of the larynx known as the “laryngeal sac.” The primary hypothesis regarding this structure's function is that it is involved in sound production. However, several other functions have been proposed, including air recycling, air storage, and even buoyancy control.
Gen Nakamura   +7 more
wiley   +1 more source

Characterization of Cetacean Morbillivirus in Humpback Whales, Brazil

open access: yesEmerging Infectious Diseases
Cetacean morbillivirus is an etiologic agent associated with strandings of live and dead cetacean species occurring sporadically or as epizootics worldwide.
Derek B. de Amorim   +10 more
doaj   +1 more source

Virtopsy as a Revolutionary Tool for Cetacean Stranding Programs: Implementation and Management

open access: yesFrontiers in Marine Science, 2020
On top of conventional necropsy, virtopsy (postmortem computed tomography and postmortem magnetic resonance imaging) has been integrated into the Cetacean Stranding Response Programme in Hong Kong since March 2014.
H. Tsui   +3 more
semanticscholar   +1 more source

Intraspecific variation of cochlear morphology in bowhead and beluga whales

open access: yesThe Anatomical Record, EarlyView.
Abstract The bony labyrinth of the petrosal bone, a distinctive feature of mammal skulls, is often identified in micro‐computed tomography imaging to infer species' physiological and ecological traits. When done as part of a comparative study, one individual specimen is normally considered representative of a species, and intraspecific variation is ...
John Peacock, J. G. M. Thewissen
wiley   +1 more source

Contribution to Herpesvirus Surveillance in Beaked Whales Stranded in the Canary Islands

open access: yesAnimals, 2021
Herpesviruses (HVs) (Alpha- and Gammaherpesvirinae subfamilies) have been detected in several species of cetaceans with different pathological implications. However, available information on their presence in beaked whales (BWs) is still scarce.
Idaira Felipe-Jiménez   +6 more
doaj   +1 more source

Reduced Adult Neurogenesis in Humans Results From a Tradeoff Rather Than Direct Negative Selection

open access: yesBioEssays, EarlyView.
Embryonic radial glia (RG) generate neurons, glial cells, and later adult neural stem cells, which sustain adult neurogenesis (top, left to right). Human‐specific genetic modifications (blue arrow), selected to boost early RG neurogenic activity, may lead to premature RG exhaustion and reduced adult neurogenesis in the human brain (bottom).
David Morizet, Laure Bally‐Cuif
wiley   +1 more source

Estimate of Cetacean and Shark Depredations in the Small-Scale Longline Fishery in the Southeastern Waters of Taiwan

open access: yesJournal of Marine Science and Engineering, 2023
Cetacean and shark depredations in a small-scale longline fishery in the southeastern Taiwan waters were estimated based on interviews of 21 fishermen and logbooks of 12 sampling vessels, including 649 operations (681,310 hooks) from October 2009 to ...
Kwang-Ming Liu   +2 more
doaj   +1 more source

Rodent monocyte‐derived macrophages do not express CD163: Comparative analysis using macrophages from living boreoeutherians

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background CD163 is a scavenger receptor predominantly expressed on the surfaces of macrophages in various mammalian species and is a marker of anti‐inflammatory (M2‐like) macrophages. High density of CD163‐positive tumor‐associated macrophages (TAMs) is associated with worse prognosis in various patient tumors.
Yoichi Saito   +9 more
wiley   +1 more source

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