Results 11 to 20 of about 2,813 (208)

Ultrastructural study of spermatozoa of the neotropical lizards, Tropidurus semitaeniatus and Tropidurus torquatus (Squamata, Tropiduridae) [PDF]

Tissue and Cell, 1999
A detailed description of the sperm ultrastructure of Tropidurus semitaeniatus and T. torquatus is provided. Mature spermatozoa of T. semitaeniatus and T.
Báo, Sônia Nair, Colli, Guarino Rinaldi, Teixeira, Ruscaia Dias, Vieira, Gustavo Henrique Calazans   +3 more
core   +4 more sources

Ovarian follicular cycle of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata: Tropiduridae) in a semiarid region of Brazil [PDF]

Zoologia (Curitiba), 2015
The reproductive cycle of Squamata reptiles is often associated with environmental conditions, such as rainfall. In this respect, seasonal variations may affect the morphology of the ovarian follicles, which are associated with vitellogenesis.
Hellen S. Santos, Jamile M.S. Santos, Maria H.T. Matos, Naisandra B. Silva, Eliza M.X. Freire, Leonardo B. Ribeiro   +5 more
doaj   +2 more sources

Reptilia, Squamata, Tropiduridae, Tropidurus torquatus: distribution extension [PDF]

Check List, 2008
None
Jeferson Luis Arruda, Diego Arruda, Sonia Cechin   +2 more
doaj   +5 more sources

Aspectos histológicos del tracto digestivo de Tropidurus peruvianus peruvianus (Lesson)

Revista Peruana de Biología, 2014
Se ha realizado el estudio histológico del tracto digestivo de Tropidurus peruvianus peruvianus (Lesson). Con las técnicas de coloraciones utilizadas, se obtuvieron los mejores resultados con los métodos de la hematoxilina de Harris-eosina y con lo ...
Julio Paz-Castillo B.
doaj   +4 more sources

The demography of the lizard Tropidurus torquatus (Squamata, Tropiduridae) in a highly seasonal Neotropical savanna [PDF]

Phyllomedusa: Journal of Herpetology, 2003
The demography of the lizard Tropidurus torquatus (Squamata, Tropiduridae) in a highly seasonal Neotropical savanna. The demography of a population of Tropidurus torquatus was studied from March 1996 until December 1998, in the Cerrado biome of central ...
Helga C. Wiederhecker, Adriana C. S. Pinto, Marcela S. Paiva, Guarino R. Colli   +3 more
doaj   +3 more sources

Reproductive and fat body cycles of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata, Tropiduridae) in a caatinga area of northeastern Brazil Ciclos reproductivos y de grasa corporal de Tropidurus hispidus y Tropidurus semitaeniatus (Squamata, Tropiduridae) en una área de caatinga del nordeste de Brasil [PDF]

Revista Chilena de Historia Natural, 2012
This study assessed the reproductive and fat body cycles of Tropidurus hispidus (Spix, 1825) and T. semitaeniatus (Spix, 1825) in an area of caatinga in the Serido of Rio Grande do Norte, Brazil, from October 2006 to May 2008.
LEONARDO B. RIBEIRO, NAISANDRA B. SILVA, ELIZA M. X. FREIRE   +2 more
doaj   +3 more sources

Closer to the Heart: Cardiac Muscle Aerobic Capacity Correlates With Intraspecific Variation in Sprint Performance Rather Than Androgen Levels in the Neotropical Lizard Tropidurus catalanensis. [PDF]

J Exp Zool A Ecol Integr Physiol
In male lizards Tropidurus catalanensis, sprint locomotor performance correlates with cardiac aerobic capacity. ABSTRACT Assessments of the interplay between physiology and whole‐organism performance are fundamental to understand how individuals function in different ecological contexts.
Lima WS, Giacometti D, Schaeffer PJ, de Carvalho JE.   +3 more
europepmc   +2 more sources

Ancient Introgression Explains Mitochondrial Genome Capture and Mitonuclear Discordance Among South American Collared Tropidurus Lizards. [PDF]

Mol Ecol
ABSTRACT Mitonuclear discordance—evolutionary discrepancies between mitochondrial and nuclear DNA phylogenies—can arise from various factors, including introgression, incomplete lineage sorting, recent or ancient demographic fluctuations, sex‐biased dispersal asymmetries, among others.
Salles MMA, Carvalho ALG, Leaché AD, Martinez N, Bauer F, Motte M, Espínola V, Rodrigues MT, Piantoni C, Pie MR, Olivotto A, Colli GR, Choueri EL, Werneck FP, Domingos FMCB.   +14 more
europepmc   +2 more sources

Potential distribution of endemic lizards from Brazilian restingas: The present announcing the end. [PDF]

Ecol Evol
We evaluated the current and future potential distribution of the endemic lizards from Brazilian restingas and hypothesize that the ENMs will indicate alterations in the potential distribution of the restinga‐endemic lizards. Our models are robust enough to explain the suitable climatic zones for the occurrence of the studied species.
Andrade H, Costa Silva LMD, Rocha CFD, Argôlo AJS, Dias EJDR.   +4 more
europepmc   +2 more sources

Bipedal locomotion in Tropidurus torquatus (Wied, 1820) and Liolaemus lutzae Mertens, 1938 [PDF]

Brazilian Journal of Biology, 2008
Bipedalism has evolved on numerous occasions in phylogenetically diverse lizard families. In this paper we describe, for the first time, bipedal locomotion on South American lizards, the sand-dweller Liolaemus lutzae and the generalist Tropidurus ...
O. Rocha-Barbosa, MFC. Loguercio, ALR. Velloso, ACC. Bonates   +3 more
doaj   +4 more sources