Results 91 to 100 of about 783,945 (305)

Design, Control, and Clinical Applications of Magnetic Actuation Systems: Challenges and Opportunities

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This review aims to provide a broad understanding for interdisciplinary researchers in engineering and clinical applications. It addresses the development and control of magnetic actuation systems (MASs) in clinical surgeries and their revolutionary effects in multiple clinical applications.
Yingxin Huo   +3 more
wiley   +1 more source

GENETIC CONTROL OF FERTILITY RESTORATION IN CMS LINES OF FLAX (LINUM USITATISSIMUM)

open access: yesТруды по прикладной ботанике, генетике и селекции, 2018
Three flax lines: gc-204 (with opened flowers, curved stamen filaments, sterile anthers, forming few seeds by selfpollination), gc-208 and gc-188 (fertile ones, sterility occurs only when hybridized with other lines) were used as CMS sources. These lines
E. A. Porokhovinova
doaj   +1 more source

Fertility Theories: Can They Explain the Negative Fertility-Income Relationship? [PDF]

open access: yes
In this chapter we revisit the relationship between income and fertility. There is overwhelming empirical evidence that fertility is negatively related to income in most countries at most times.
Alice Schoonbroodt   +2 more
core  

Interactions between maternal provisioning and natural selection on seed mass fluctuate across heat waves

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Changing climates are leading to more frequent and severe heat waves, potentially threatening plant populations. Both acclimation to stress and selection for heat‐escape or heat‐resistance phenotypes occur during heat waves. However, plastic responses and selection do not necessarily interact cohesively—even producing trait responses ...
Lana F. Gaspard   +4 more
wiley   +1 more source

Platelet-derived extracellular vesicles for endometrial regeneration towards efficient live birth

open access: yesNano Research
Uterine infertility is a major global issue causing substantial physical and psychological hardship for individuals struggling to conceive, while endometrium injury is one of the crucial factors causing infertility.
Dongxiao Li   +12 more
doaj   +1 more source

Identification of gall midge resistant parental lines and validation of fertility restoration linked markers for hybrid rice technology [PDF]

open access: yesElectronic Journal of Plant Breeding, 2014
The success of hybrid rice technology depends on the extent of heterosis realized, pest resistance and the grain quality of rice. To identify gall midge resistant, non aromatic maintainers and restorers, 114 germplasm lines were crossed with six CMS ...
Thippeswamy, S*., Y. Chandramohan, B. Madhavilatha, K. Pravalika, Zameema Samreen, G. Vinod and E. Kalpana
doaj  

Human evolution and the obstetrical dilemma: The pelvic floor hypothesis

open access: yesThe Anatomical Record, EarlyView.
Abstract Human childbirth is mechanically difficult because a large‐headed, broad‐shouldered fetus must pass through a comparatively narrow, twisted bony birth canal. Traditional explanations of this “obstetrical dilemma” emphasize the role of bipedal locomotion in inhibiting the evolution of a wider, more spacious pelvis.
Barbara Fischer, Ekaterina Stansfield
wiley   +1 more source

Emerging peptide and neuroendocrine strategies for TRT-induced reproductive suppression and functional male hypogonadism: a narrative review

open access: yesFrontiers in Reproductive Health
The growing burden of male hypogonadism has raised concerns regarding the potential impact of modern lifestyles and environmental exposures on male reproductive health.
Ana-Maria Cretu   +12 more
doaj   +1 more source

Hormonal control and signaling of the testis of the bat Molossus molossus during the processes of testicular maturation, regression, and recrudescence

open access: yesThe Anatomical Record, EarlyView.
Abstract Molossus molossus, a species of neotropical bat belonging to the Molossidae family, has an annual reproductive cycle that includes two peaks of spermatogenic activity, one in April and another in September, and a period of total testicular regression in December.
Emília M. Soares   +6 more
wiley   +1 more source

Extracting female inbred lines from commercial sunflower hybrids Extração de linhagens fêmeas a partir de híbridos comerciais de girassol

open access: yesPesquisa Agropecuária Brasileira, 2008
The objective of this study was to obtain female inbred lines from sunflower (Helianthus annuus) hybrids. A methodology based on altering inbred lines carrying the fertility restorer gene (Rf) obtained from self pollinating hybrids into inbred lines with
Claudio Guilherme Portela de Carvalho   +1 more
doaj   +1 more source

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