Results 81 to 90 of about 1,828 (138)

Asymmetric paternal effect on offspring size linked to parent-of-origin expression of an insulin-like growth factor [PDF]

open access: yes, 2017
Research was supported by PAPIIT grant IN216111 (CMG), CONACyT PhD scholarship 351769 (YSL), and the Howard Hughes International Research Program (JPVC).Sexual reproduction brings together reproductive partners whose long-term interests often differ ...
Abrahamson   +73 more
core   +1 more source

Review of Eye of Newt and Toe of Frog, Adder’s Fork and Lizards’ Leg, the Lore and Mythology of Amphibians and Reptiles

open access: yes, 2016
A review of Marty Crump\u27s book on the folklore surrounding reptiles and amphibians. Crump\u27s book is a collection of tales and myths both ancient and contemporary, and a fascinating analysis of how humans perceive and sometimes revere snakes, frogs ...
Etheridge, Kay
core  

Placenta: an old organ with new functions

open access: yesFrontiers in Immunology
The transition from oviparity to viviparity and the establishment of feto-maternal communications introduced the placenta as the major anatomical site to provide nutrients, gases, and hormones to the developing fetus. The placenta has endocrine functions,
Sara Khorami-Sarvestani   +9 more
doaj   +1 more source

Специфіка перекладу термінології в аграрному дискурсі (The translation pecularities of terminology at agricultural discourse) [PDF]

open access: yes, 2016
Стаття присвячена дослідженню специфіки перекладу аграрної термінології як суттєвої складової аграрного дискурсу. Особлива увага звертається на найпоширеніші прийоми та способи перекладу досліджуваних термінів.
Авраменко, Т. (T. Avramenko)   +1 more
core  

Observations on the Nidamental Glands of Hydrolagus colliei, Raja rhina and Platyrhinoidis triseriatusi [PDF]

open access: yes, 1948
A study of the reproductive system and the nature of the reproduction of the elasmobranchs was started by me in 1940, with the idea of finding out whether or not there is any correlation between the phylogeny and the reproductive structures and habits.
Raghu Prasad, R
core  

Extended embryo retention and viviparity in the first amniotes. [PDF]

open access: yesNat Ecol Evol, 2023
Jiang B   +7 more
europepmc   +1 more source

Parasitylenchus nearcticus sp.n. (Tylenchida : Allontonematidae) parasitizing Drosophila (Diptera : Drosophilidae) in North America [PDF]

open access: yes, 1997
#Parasitylenchus nearticus$ sp. n. (#Tylenchida$ : #Allantonematidae$) est décrit comme parasite de #Drosophila recens$ (#Diptera$ : #Drosophilidae$) récolté dans les Adirondacks Moutains, Etat de New York, Etats-Unis d'Amérique.
Dombeck, I., Jaenike, J., Poinar, G.O.
core  

Semblanzas Ictiológicas Iberoamericanas: Ignacio Doadrio Villarejo. [PDF]

open access: yes, 2014
A través de esta nueva serie tratamos de conocer diferentes aspectos personales de los integrantes de la comunidad ictiológica iberoamericana. Esta iniciativa, comparte el espíritu y objetivo de las semblanzas nacionales buscando informalmente, otro ...
López, Hugo Luis, Ponte Gómez, Justina
core   +1 more source

Molecular phylogenies disprove a hypothesized C4 reversion in Eragrostis walteri (Poaceae) [PDF]

open access: yes, 2017
Background and Aims The main assemblage of the grass subfamily Chloridoideae is the largest known clade of C4 plant species, with the notable exception of Eragrostis walteri Pilg., whose leaf anatomy has been described as typical of C3 plants. Eragrostis
Christin, Pascal-Antoine   +2 more
core  

Egg retention and intrauterine embryonic development in Sceloporus aeneus (Reptilia: Phrynosomatidae): implications for the evolution of viviparity Retención de huevos y avance embrionario intrauterino en Sceloporus aeneus (Reptilia: Phrynosomatidae): implicaciones para la evolución de la viviparidad

open access: yesRevista Mexicana de Biodiversidad, 2012
Egg retention (ER) and intrauterine embryonic development (IED) have been considered intermediate steps in the evolution from oviparity to viviparity. Sceloporus aeneus is an oviparous lizard that is closely related to the viviparous species (Sceloporus ...
Rodolfo García-Collazo   +4 more
doaj  

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