Results 11 to 20 of about 541,021 (314)

Computerized spermatogenesis staging (CSS) of mouse testis sections via quantitative histomorphological analysis [PDF]

open access: yes, 2021
Spermatogenesis in mammals is a cyclic process of spermatogenic cell development in the seminiferous epithelium that can be subdivided into 12 subsequent stages.
Madabhushi, Anant   +10 more
core   +1 more source

Exceptionally preserved early Cambrian bilaterian developmental stages from Mongolia [PDF]

open access: yes, 2021
Fossilized invertebrate embryonic and later developmental stages are rare and restricted largely to the Ediacaran-Cambrian, providing direct insight into development during the emergence of animal bodyplans.
Donoghue , Philip   +5 more
core   +1 more source

The development of the husk tomato plant (Physalis ixocarpa Brot.). I. Aerial vegetative parts

open access: yesActa Societatis Botanicorum Poloniae, 2014
The growth of various vegetative parts of the husk tomato cv. `Rendidora' has been studied. The samples for dry mass determination were taken every 1-2 weeks.
Francisco C. Escobar   +3 more
doaj   +1 more source

Outcomes of embryo vitrification at different developmental stages

open access: yesMedicine, 2022
. Introduction:. Advances in cell culture media have led to a shift from cleavage stage embryo transfer to blastocyst stage transfer. Extended embryo culture to the blastocyst stage provides some theoretical advantages and disadvantages.
Lizhen Xu, MD   +6 more
doaj   +1 more source

The importance of accurate developmental staging

open access: yesJournal of Experimental Botany, 2020
This article comments on: Fernández-Gómez J, Talle B, Tidy A, Wilson ZA. 2020. Accurate staging of reproduction development in Cadenza wheat by non-destructive spike analysis. Journal of Experimental Botany71, 3475–3484.
Ober, Eric S   +3 more
openaire   +2 more sources

Acquiring the Impossible: Developmental Stages of Copredication

open access: yesFrontiers in Psychology, 2017
Much is known about the acquisition of phonological competence and lexical categories, but there has been substantially less research into word meaning development.
Elliot Murphy
doaj   +1 more source

Age and Behavior-Dependent Differential miRNAs Expression in the Hypopharyngeal Glands of Honeybees (Apis mellifera L.)

open access: yesInsects, 2021
This study aims to investigate the expression differences of miRNAs in the hypopharyngeal glands (HPGs) of honeybees at three developmental stages and to explore their regulation functions in the HPGs development.
Tengfei Shi   +6 more
doaj   +1 more source

Growth and Developmental Stages of Bean Plant

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2014
Uniform description of developmental stages in crops improve communication among producers, researchers and others. A standardized, accurate, and easy system is needed to describe bean (Phaseolus vulgaris L.) plant development.
Ramazan İlhan Aytekin   +1 more
doaj   +1 more source

GROSS AND HISTOLOGICAL STUDIES ON THE DEVELOPMENT OFTHYMUS IN POSTNATAL AGE GROUPS OF SHEEP (OVIS ARIES) [PDF]

open access: yesExploratory Animal and Medical Research, 2023
In the present study, the development of thymus in postnatal sheep was studied. At 2 months of age, the thymus appeared pale pink and changed to greyish yellow with age. The thymus of the sheep showed fat deposits at 4 months of age.
J. Bhagyalakshmi   +3 more
doaj   +1 more source

Three-dimensional visualisation of developmental stages of an apicomplexan fish blood parasite in its invertebrate host [PDF]

open access: yes, 2011
This is likely the first account of the use of 3D visualisation to study developmental stages of an apicomplexan parasite in its invertebrate vector. Elucidation of the extent of development of the haemogregarine within the leech salivary cells, together
Smit, N.J.   +20 more
core   +1 more source

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