Results 31 to 40 of about 254,655 (238)

BIOLOGÍA CELULAR - FACULTAD DE CIENCIAS

open access: yes, 2003
Programa de Aprendizaje BIOLOGÍA CELULAR - FACULTAD DE ...
BIOLOGÍA
core   +1 more source

Dental crown morphological variation and heterodonty in carcharhiniform sharks

open access: yesThe Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

Unraveling ovarian histology: The key morphological aspects that spur the development of the Fossa ovarii in equine

open access: yesThe Anatomical Record, EarlyView.
Abstract The equine ovary exhibits unique structural and developmental features that distinguish it from those of other domestic species, including the presence of an ovulation fossa and an inversion of cortical and medullary layers. This study aimed to investigate the morphostructural development of the equine fetal ovary, with particular emphasis on ...
Laura Ver Goltz   +5 more
wiley   +1 more source

Memoria del Instituto de Biología y Medicina Experimental 1946 [PDF]

open access: yes, 1947
ver Memoria del Instituto de Biología y Medicina Experimental 1944copiaFil: No especifica. No especifíca;papel, 1 m. l.Kofax Power v.3.1ScanTailor advancedFujitsu ScanSnap SV600MemoriasserieBiblioteca Bernardo A.
No especifica
core   +1 more source

¿Qué libro de texto elegir? La competencia visual en lasactividades con imágenes

open access: yesRevista Eureka sobre Enseñanza y Divulgación de las Ciencias, 2016
El objetivo de este artículo es aportar criterios para ayudar a la selección de libros de texto poniendo el foco en el análisis de la competencia gráfica o visual fomentada en sus actividades. Los criterios son puestos a prueba a través de la comparación
Asunción López-Manjón   +1 more
doaj  

Los mirmeleónidos (hormigas-león) de la Península Ibérica e Islas Baleares (Insecta, Neuropterida, Neuroptera, Myrmeleontidae)

open access: yesGraellsia, 2013
Se revisan las especies de mirmeleónidos u hormigas-león (Insecta, Neuropterida, Neuroptera: Myrmeleontidae) de la Península Ibérica e Islas Baleares. Con una muy diversa presencia, frecuencia y abundancia, 26 especies pertenecientes a 15 géneros de esta
V. J. Monserrat, F. Acevedo
doaj   +1 more source

Determining the timeline of gonadal and genital differentiation in male and female equine fetuses allows for early detection and intervention in malformations

open access: yesThe Anatomical Record, EarlyView.
Abstract Sexual differentiation in the equine fetus involves coordinated morphogenetic processes that shape both the gonads and the genital ducts. Although the formation of testes and ovaries has been relatively well documented, the temporal dynamics and morphometric patterns of the mesonephric (Wolffian) and paramesonephric (Müllerian) ducts remain ...
Tais Harumi de Castro Sasahara   +4 more
wiley   +1 more source

La identificación de especies y la nomenclatura científica a través del bodegón barroco

open access: yesRevista Eureka sobre Enseñanza y Divulgación de las Ciencias, 2013
Utilizando como referencia una relación de obras pictóricas enmarcadas dentro del género del bodegón o naturaleza muerta, y entre las que destacan numerosas obras del barroco español y flamenco, la presente experiencia educativa referida a la materia de ...
Román Belmonte Andújar
doaj  

Much more than their fangs: Macroscopic anatomy of the brain of Bothrops moojeni Hoge 1966 (Squamata, Serpentes, Viperidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract Neuroanatomical research has progressed considerably in several vertebrate lineages, yet studies of reptilian brain morphology remain markedly underdeveloped. Here we provide the first description of macroscopic brain anatomy and its ontogeny in the viperid Bothrops moojeni, based on a sample of seven individuals.
Paula Araújo   +2 more
wiley   +1 more source

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