Results 131 to 140 of about 57,423 (263)

Heat exposure during susceptible windows of spermatogenesis and sperm epigenetic age. [PDF]

open access: yesHum Reprod
Nobles C   +14 more
europepmc   +1 more source

Occupational Physical Activity Is Negatively Associated With Semen Quality

open access: yesAndrology, EarlyView.
ABSTRACT Background Lifestyle factors have been associated with semen quality and have been implicated in the reported global decline in semen parameters. Moderate physical activity has been linked to improved semen quality; however, the association between occupational physical activity and semen quality is limited.
Michal Efrat   +5 more
wiley   +1 more source

Origins of Self-Fertility in Three <i>Caenorhabditis</i> Nematodes. [PDF]

open access: yesBiology (Basel)
Bobinski M   +3 more
europepmc   +1 more source

Anatomical and Histological Structures of the Male Reproductive System of Chalcophora mariana (Linnaeus, 1758) (Coleoptera: Buprestidae): Light and Scanning Electron Microscopy Study

open access: yesActa Zoologica, EarlyView.
ABSTRACT This study presents the first detailed morphological analysis of the male reproductive system of Chalcophora mariana (Linnaeus, 1758) using stereo microscopy, light microscopy, and scanning electron microscopy. The male reproductive system of C.
Hicret Arslan, Selami Candan
wiley   +1 more source

Anatomical and Histological Descriptions of the Male Reproductive System of the Alfalfa Weevil of Hypera postica (Gyllenhal, 1813) (Coleoptera: Curculionidae) Using Light and Scanning Electron Microscopies

open access: yesActa Zoologica, EarlyView.
ABSTRACT Features of the reproductive organs, such as the number of testicular follicles, testis colour and the morphology of the glands, can be used as systematic characters. For this purpose, this paper was the first description of the male reproductive system anatomy and histology of Hypera postica (Gyllenhal, 1813) (Coleoptera: Curculionidae), a ...
Nurcan Özyurt Koçakoğlu   +3 more
wiley   +1 more source

DAXX directs dual modes of H3.4-to-H3.3 histone replacement in the male germline. [PDF]

open access: yesGenes Dev
Yeh YH   +7 more
europepmc   +1 more source

Hypogonadotropic Hypogonadism Before and After Transsphenoidal Surgery for Non‐Functioning Pituitary Adenoma

open access: yesClinical Endocrinology, EarlyView.
ABSTRACT Objective The effect of transsphenoidal surgery (TSS) on the hypothalamic‐pituitary‐gonadal (HPG) axis in patients with non‐functioning pituitary adenomas (NFPA) is underexplored, especially in women. Our aim was to investigate the HPG axis function before and after TSS, its association with quality of life (QoL), and to identify factors that ...
Victor Hantelius   +6 more
wiley   +1 more source

Pubertal Dynamics of Sertoli and Leydig Cell Dysfunction in Klinefelter Syndrome

open access: yesClinical Endocrinology, EarlyView.
ABSTRACT Context Klinefelter syndrome (KS), defined by a 47, XXY karyotype, is commonly associated with progressive testicular failure. The precise timing of Sertoli and Leydig cell dysfunction during puberty remains unclear. Objective To determine the onset and progression of testicular insufficiency during puberty in KS, and to assess whether ...
Tredez Axelle   +9 more
wiley   +1 more source

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