Results 111 to 120 of about 171,357 (365)

Seasonal variation and innate immune responses of spleen in fresh-water snake, Natrix piscator [PDF]

open access: yesJournal of Stress Physiology & Biochemistry, 2014
Innate immunity provides first line defense in all animals against pathogens and parasites. There is seasonal variation in pathogen prevalence and disease because of the seasonal lifecycle of the parasite and due to annual variation in the infectivity of
Manish Kumar Tripathi, Ramesh Singh
doaj  

Çocuk hastalarda yılan sokması sonrası nötröfil lenfosit oranının klinik sonuçlarla ilişkisi

open access: yesCukurova Medical Journal, 2019
Amaç: Yılan zehirinin ciddi kardiyotoksik, nörotoksik, nefrotoksik etkileri  mevcuttur. Nötrofil-lenfosit oranı inflamasyonun tanınmasında ve progresyonunda kullanılabilen yeni bir biyomarkerdır. Biz burada yılan sokması nedeni ile izlediğimiz hastaların
Nagehan ASLAN   +6 more
doaj   +1 more source

Perception-Driven Obstacle-Aided Locomotion for Snake Robots: The State of the Art, Challenges and Possibilities †

open access: yes, 2017
In nature, snakes can gracefully traverse a wide range of different and complex environments. Snake robots that can mimic this behaviour could be fitted with sensors and transport tools to hazardous or confined areas that other robots and humans are ...
F. Sanfilippo   +5 more
semanticscholar   +1 more source

Rapid Radiations and the Race to Redundancy: An Investigation of the Evolution of Australian Elapid Snake Venoms

open access: yesToxins, 2016
Australia is the stronghold of the front-fanged venomous snake family Elapidae. The Australasian elapid snake radiation, which includes approximately 100 terrestrial species in Australia, as well as Melanesian species and all the world’s true sea snakes,
Timothy N. W. Jackson   +16 more
semanticscholar   +1 more source

A bothremydid turtle (Pleurodira) from the middle Cenomanian of Vale de Figueira (Belas, Portugal)

open access: yesThe Anatomical Record, EarlyView.
Abstract An unpublished turtle shell from the middle Cenomanian of Vale de Figueira, near Belas (Lisbon District, Portugal), is recognized by us as collected in 1880 under the direction of Carlos Ribeiro. No turtle remains from that region had so far been figured, described or discussed from a systematic point of view.
Miguel Telles Antunes   +1 more
wiley   +1 more source

Graceful Labellings of Various Cyclic Snakes [PDF]

open access: yesarXiv, 2020
In this paper, we present a new sufficiency condition to obtain a graceful labelling for every $kC_{4n}$ snake and use this condition to label every such snake for $n=1,2,\ldots,6$. Then, we extend this result to cyclic snakes where the cycles lengths vary. Also, we obtain new results on the (near) graceful labelling of cyclic snakes based on cycles of
arxiv  

Snake scales, partial exposure, and the Snake Detection Theory: A human event-related potentials study

open access: yesScientific Reports, 2017
Studies of event-related potentials in humans have established larger early posterior negativity (EPN) in response to pictures depicting snakes than to pictures depicting other creatures.
J. V. Van Strien, L. Isbell
semanticscholar   +1 more source

Early synapsids neurosensory diversity revealed by CT and synchrotron scanning

open access: yesThe Anatomical Record, EarlyView.
Abstract Non‐mammaliaform synapsids (NMS) represent the closest relatives of today's mammals among the early amniotes. Exploring their brain and nervous system is key to understanding how mammals evolved. Here, using CT and Synchrotron scanning, we document for the first time three extreme cases of neurosensory and behavioral adaptations that probe ...
J. Benoit   +6 more
wiley   +1 more source

Functional morphology of the pharyngeal teeth of the ocean sunfish, Mola mola

open access: yesThe Anatomical Record, EarlyView.
Abstract Many fish use a set of pharyngeal jaws in their throat to aid in prey capture and processing, particularly of large or complex prey. In this study—combining dissection, CT scanning, histology, and performance testing—we demonstrate a novel use of pharyngeal teeth in the ocean sunfish (Mola mola), a species for which pharyngeal jaw anatomy had ...
Benjamin Flaum   +3 more
wiley   +1 more source

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