Search Results - "Ramírez‐Pinilla, Martha Patricia"

Embryonic development of the skull of the Andean lizard Ptychoglossus bicolor (Squamata, Gymnophthalmidae) by Hernández‐Jaimes, Carlos, Jerez, Adriana, Ramírez‐Pinilla, Martha Patricia

“…The study of cranial design and development in Gymnophthalmidae is important to understand the ontogenetic processes behind the morphological diversity of the…”
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Clasper gland morphology and development in Potamotrygon magdalenae (Elasmobranchii: Potamotrygonidae) by Anaya‐López, Paola, Ramírez‐Pinilla, Martha Patricia

“…ABSTRACT Clasper gland morphology and development in Potamotrygon magdalenae and its relation with the acquisition of reproductive maturity is described in…”
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Morphology of the reproductive tract and acquisition of sexual maturity in males of Potamotrygon magdalenae (Elasmobranchii: Potamotrygonidae) by Del Mar Pedreros-Sierra, Tania, Ramírez-Pinilla, Martha Patricia

“…ABSTRACT The purpose of this study was to describe the structure of the reproductive tract of males of Potamotrygon magdalenae before, during, and after they…”
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Limb development in the gekkonid lizard gonatodes albogularis: A reconsideration of homology in the lizard carpus and tarsus by Leal, Francisca, Tarazona, Oscar A., Ramírez-Pinilla, Martha Patricia

“…Despite the attention squamate lizards have received in the study of digit and limb loss, little is known about limb morphogenesis in pentadactyl lizards…”
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Ultrastructure of the ovarian follicles in the placentotrophic Andean lizard of the genus Mabuya (Squamata: Scincidae) by Vieira, Simón, de Pérez, Gloria Romero, Ramírez-Pinilla, Martha Patricia

“…We studied the ultrastructural organization of the ovarian follicles in a placentotrophic Andean lizard of the genus Mabuya. The oocyte of the primary follicle…”
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Morphology and histology of the male reproductive tract of Caecilia thompsoni (amphibia: Gymnophiona) by Serrano‐Perez, Carlos A., Ramírez‐Pinilla, Martha Patricia

“…We studied the male reproductive tract of individuals of different body sizes of Caecilia thompsoni to describe morphological characteristics in comparison to…”
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Cloacal Morphology in Bolitoglossa nicefori (Caudata: Plethodontidae): Variation During the Reproductive Cycle by González‐León, Ezequiel, Ramírez‐Pinilla, Martha Patricia

“…Male and female plethodontid salamanders have specialized cloacal glands associated with the reproductive activity. The reproductive cycle in Bolitoglossa…”
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The unusual orbitosphenoid of the snakelike lizard Bachia bicolor by Tarazona, Oscar A., Ramírez‐Pinilla, Martha Patricia

“…We studied the morphology of the chondrocranial orbitotemporal region in the snakelike gymnophthalmid lizard Bachia bicolor and its relation to other…”
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Toxic, cytotoxic, and genotoxic effects of a glyphosate formulation (Roundup®SL-Cosmoflux®411F) in the direct-developing frog Eleutherodactylus johnstonei by Meza-Joya, Fabio Leonardo, Ramírez-Pinilla, Martha Patricia, Fuentes-Lorenzo, Jorge Luis

“…The aerial spraying of glyphosate formulations in Colombia to eradicate illegal crops has generated great concern about its possible impact on nontarget…”
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Proteomic Profile of Mabuya sp. (Squamata: Scincidae) Ovary and Placenta During Gestation by Hernández‐Díaz, Nathaly, Torres, Rodrigo, Ramírez‐Pinilla, Martha Patricia

“…ABSTRACT Reptiles are one of the most diverse groups of vertebrates, providing an integrated system for comparative studies on metabolic, animal physiology,…”
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Morphology and posthatching ontogeny of the autopodial skeleton of Bolitoglossa nicefori (Caudata: Plethodontidae) by Cabrera-Téllez, Laura, Tarazona, Oscar A., Ramírez-Pinilla, Martha Patricia

“…Webbed foot morphology is a highly homoplastic character in species of Bolitoglossa and has been assumed to be pedomorphic. This study examines the morphology…”
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Hemipenial morphology of nine South American species of Mabuya (Scincidae: Lygosominae) with comments on the morphology of the family by Sánchez‐Martínez, Paola María, Ramírez‐Pinilla, Martha Patricia, Meneses‐Pelayo, Elson, Nunes, Pedro M. Sales

“…Species of the genus Mabuya are barely recognizable because of their highly conservative external morphology, resulting in unstable systematic and taxonomic…”
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A morphological database for Colombian anuran species from conservation-priority ecosystems by M. Mendoza-Henao, Angela, Cortes-Gomez, Ángela M., Gonzalez, Mailyn A., Hernandez-Córdoba, Oscar Dario, Acosta-Galvis, Andres R., Castro-Herrera, Fernando, Daza, Juan M., Hoyos, Julio Mario, Ramirez-Pinilla, Martha Patricia, Urbina-Cardona, Nicolás, Salgado-Negret, Beatriz

“…Species traits provide a strong link between an organism’s fitness and processes at community and ecosystem levels. However, such data remain scarce for…”
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Parallel evolution of placental calcium transfer in the lizard Mabuya and eutherian mammals by Hernández-Díaz, Nathaly, Leal, Francisca, Ramírez-Pinilla, Martha Patricia

“…An exceptional case of parallel evolution between lizards and eutherian mammals occurs in the evolution of viviparity. In the lizard genus , viviparity…”
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Uterine and chorioallantoic angiogenesis and changes in the uterine epithelium during gestation in the viviparous lizard, niveoscincus conventryi (squamata: scincidae) by Ramírez-Pinilla, Martha Patricia, Parker, Scott L., Murphy, Christopher R., Thompson, Michael B.

“…We used immunofluorescent confocal microscopy and scanning electron microscopy to quantify uterine vascularity and to describe uterine surface morphology…”
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Ontogeny of the Vertebral Column of Eleutherodactylus johnstonei (Anura: Eleutherodactylidae) Reveals Heterochronies Relative to Metamorphic Frogs by Meza‐joya, Fabio Leonardo, Ramos‐pallares, Eliana Patricia, RamÍrez‐pinilla, Martha Patricia

“…ABSTRACT Over the last century, the morphogenesis of the vertebral column has been considered as a highly conserved process among anurans. This statement is…”
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Diet of the Andean Frog Ranitomeya virolinensis (Athesphatanura: Dendrobatidae) by Valderrama-Vernaza, Mercedes, RamÍrez-Pinilla, Martha Patricia, Serrano-Cardozo, VÍctor H

“…The effects of sex, ontogeny, and season on the diet of Ranitomeya virolinensis were studied over one year. The diet of this Andean species is composed mainly…”
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Invasive Cells in the Placentome of Andean Populations of Mabuya: An Endotheliochorial Contribution to the Placenta? by Vieira, Simón, de Perez, Gloria, Ramírez‐Pinilla, Martha Patricia

“…New world lizards of the genus Mabuya have the most specialized level of placentotrophy among reptiles known to date, and related to that, they have the most…”
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PLACENTAL TRANSFER OF NUTRIENTS DURING GESTATION IN AN ANDEAN POPULATION OF THE HIGHLY MATROTROPHIC LIZARD GENUS MABUYA (SQUAMATA: SCINCIDAE) by Ramírez-Pinilla, Martha Patricia

“…Skinks of Mabuya genus exhibit the most specialized allantoplacenta among squamates (type IV), and the greatest degree of placentotrophy known in Reptilia…”
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Morphological Variation in the Allantoplacenta Within the Genus Mabuya (Squamata: Scincidae) by Leal, Francisca, Ramírez‐Pinilla, Martha Patricia

“…The type IV allantoplacenta has been described for the New World tropical scincids lizards of the genus Mabuya; it possesses the greatest morphological…”
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