Results 21 to 30 of about 7,860 (219)

Is the Karyotype of Neotropical Boid Snakes Really Conserved? Cytotaxonomy, Chromosomal Rearrangements and Karyotype Organization in the Boidae Family. [PDF]

open access: yesPLoS ONE, 2016
Boids are primitive snakes from a basal lineage that is widely distributed in Neotropical region. Many of these species are both morphologically and biogeographically divergent, and the relationship among some species remains uncertain even with ...
Patrik F Viana   +5 more
doaj   +1 more source

The Derivation of the Cells of the Epidermal Strata of the Boa Constrictor (Constrictor Constrictor)

open access: yesJournal of Investigative Dermatology, 1974
The epidermis of squamate reptiles is generated and shed discontinuously. Multiple cornified strata which are histologically, ultrastructurally, biochemically, biophysically, and developmentally distinct are formed sequentially from cells forced out of the germinal stratum.
Downing, Stephen W., Roth, Sanford I.
openaire   +2 more sources

Aspectos da biologia reprodutiva de Boa constrictor constrictor: um estudo histológico dos testículos nos períodos reprodutivos de quiescência e máxima atividade [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia
RESUMO As serpentes pertencem ao segundo maior grupo dentro dos répteis, podendo apresentar sazonalidade quanto à espermatogênese, com produção descontínua ou contínua.
H.J. Bento   +5 more
doaj   +2 more sources

Determinação de hemogregarina em Boa constrictor constrictor mantidos em cativeiro

open access: yesPesquisa Veterinária Brasileira, 2012
O presente estudo teve como objetivo determinar a presença de hemogregarina em boídeos mantidos em cativeiro no Estado do Pará, bem como, relacionar a hemoparasitose com pre-disposição sexual, alterações clínicas e hematológicas e a presença de ...
Monique A. Luz   +7 more
doaj   +1 more source

Variação sazonal dos valores de bioquímica sérica de jiboias amazônicas (Boa constrictor constrictor) mantidas em cativeiro

open access: yesBiotemas, 2012
Na região Norte do Brasil, as estações do ano não são bem definidas como acontece nas regiões Sul e Sudeste, devido ao clima equatorial quente e úmido, com um período mais chuvoso, conhecido como inverno amazônico, e um período menos chuvoso, conhecido ...
Dennis José da Silva Lima   +7 more
doaj   +1 more source

Encountering snakes in early Victorian London: The first reptile house at the Zoological Gardens [PDF]

open access: yes, 2015
This is the author accepted manuscript. The final version is available from SAGE via http://dx.doi.org/10.1177/0073275315580958 This paper examines the first reptile house (1849) at the Zoological Gardens in London as a novel site for the production and ...
Hall, James R
core   +1 more source

Report of attack of a Boa constrictor (Serpentes: Boidae) on Tyto furcata (Birds: Tytonidae) in Pacora, Panama

open access: yesHuitzil, 2019
Small birds constitute a significant portion of the Boa constrictor diet. There are few reports on the consumption of larger birds, even fewer of intraguild predation (among top predators).
Jorge Moisés Herrera R.   +1 more
doaj   +1 more source

Ultrasonographic characterization of the organs in the middle third and caudal coelomic cavity of snakes in the Boidae Family [PDF]

open access: yesPesquisa Veterinária Brasileira, 2021
: The aim of this study was the ultrasonographic evaluation of the organs in the middle third and caudal coelomic cavity of healthy snakes in the Boidae family.
Nathana B. Martins   +6 more
doaj   +1 more source

First Natural Endocranial Cast of a Fossil Snake (Cretaceous of Patagonia, Argentina) [PDF]

open access: yes, 2017
In this study, we describe a natural endocranial cast included in a partially preserved medium‐sized skull of the Upper Cretaceous South American snake Dinilysia patagonica.
Albino, Adriana Maria   +3 more
core   +2 more sources

Death of Boa constrictor amarali (serpentes, boidae) after ingestion of a tree porcupine (rodentia)

open access: yesJournal of Venomous Animals and Toxins including Tropical Diseases, 2003
The objective of this paper is to report the death of a Boa constrictor amarali after ingestion of a tree porcupine. The animal was donated to the Center for the Study of Venoms and Venomous Animals (CEVAP/UNESP) - and died in captivity.
A. L. Cherubini   +2 more
doaj   +1 more source

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