Results 81 to 90 of about 49,127 (300)

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

The Complexity of Snake.

open access: yes, 2016
Snake and Nibbler are two well-known video games in which a snake slithers through a maze and grows as it collects food. During this process, the snake must avoid any collision with its tail. Various goals can be associated with these video games, such as avoiding the tail as long as possible, or collecting a certain amount of food, or reaching some ...
De Biasi, Marzio, Ophelders, Tim
openaire   +3 more sources

Early Pliocene Varanus (Squamata, Varanidae) remains from Megalo Emvolon, Thessaloniki, Greece

open access: yesThe Anatomical Record, EarlyView.
The article describes new cranial and postcranial varanid material from Megalo Emvolon Lower Pliocene vertebrate fossil site near Thessaloniki. The fossils, likely representing a single individual, are referred to Varanus cf. marathonensis. Abstract This study describes new fossil varanid material from a recently discovered fossil spot (MVL site) at ...
Chara Drakopoulou   +3 more
wiley   +1 more source

Biochemical parameters in the blood of grass snakes (Natrix natrix) in ecosystems under varying degrees of anthropogenic influence

open access: yesRegulatory Mechanisms in Biosystems, 2016
The grass snake Natrix natrix (Linnaeus, 1758) is a partly hygrophilous species, distributed throughoutUkraine. This snake may be considered as a test object for environmental biomonitoring.
V. Y. Gasso   +2 more
doaj   +1 more source

Osteological correlates of the respiratory and vascular systems in the neural canals of Mesozoic ornithurines Ichthyornis and Janavis

open access: yesThe Anatomical Record, EarlyView.
Abstract In birds, the neural canal houses a variety of anatomical structures including the spinal cord, meninges, spinal vasculature, and respiratory diverticula. Among these, paramedullary diverticula and the extradural dorsal spinal vein may leave behind osteological correlates in the form of pneumatic foramina and fossae, and a bilobed geometry of ...
Jessie Atterholt   +5 more
wiley   +1 more source

T. rex cognition was T. rex‐like—A critical outlook on diverging views of the neurocognitive evolution in dinosaurs

open access: yesThe Anatomical Record, EarlyView.
Abstract A recent debate has emerged between Caspar et al. (2024) and Herculano‐Houzel (2023) on inferring extinct dinosaur cognition by estimating brain neuron counts. While thought‐provoking, the discussion largely overlooks the function of cognition, as well as partly neglects the difficulties involved in estimating neuron numbers, which according ...
Thomas Rejsenhus Jensen   +7 more
wiley   +1 more source

Circadian rhythm of locomotor activity in Bothrops jararacussu (Serpentes: Viperidae) [PDF]

open access: yesBiotemas, 2007
Many biochemical, physiological, and behavioral parameters exhibited by organisms show daily fluctuations, and most of these fluctuations persist when the organisms are maintained in constant environmental conditions, thus demonstrating that they are ...
José Geraldo Pereira da Cruz
doaj  

Prevalência de Cryptosporidium serpentis em serpentes de cativeiro Prevalence of Cryptosporidium serpentis in captive snakes

open access: yesCiência Rural, 2011
Cryptosporidium é um protozoário encontrado em uma grande variedade de espécies animais como responsável por casos de gastrite e enterite, porém com epidemiologia pouco conhecida em animais silvestres. A presente investigação teve como objetivo avaliar a
Paulo Custório Ruggiero   +3 more
doaj   +1 more source

Snakes of New Jersey

open access: yes, 2007
The pamphlet provides information on the snakes of New Jersey, treatment of a snake bite, ways to deter snakes, and how to keep snakes in captivity. The pamphlet describes the snakes' physical features and their habitats.

core   +1 more source

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