Results 141 to 150 of about 487,985 (362)
High spatially sensitive quantitative phase imaging assisted with deep neural network for classification of human spermatozoa under stressed condition [PDF]
arXiv, 2020 Sperm cell motility and morphology observed under the bright field microscopy are the only criteria for selecting particular sperm cell during Intracytoplasmic Sperm Injection (ICSI) procedure of Assisted Reproductive Technology (ART). Several factors such as, oxidative stress, cryopreservation, heat, smoking and alcohol consumption, are negatively ...
arxiv
Regulating Sperm Donation: Why Requiring Exposed Donation Is Not the Answer [PDF]
, 2009 [...] the risk of incest and consanguinity11 are prevalent with anonymous donation12 since there is no monitoring of the number of live births per donor.
Pi, Vanessa L.
core +1 more source
Australian Journal of Social Issues, EarlyView.Abstract Non‐binary and genderqueer identities are increasingly discussed in public discourse and academia, but there remains a dearth of academic literature centred on non‐binary people's lives and experiences. When non‐binary people are included in research, it is frequently as an additive to explorations of trans identities and subsumed under the ...
Lucy Nicholas, Sal Clark, Chloe Falzon
wiley +1 more source
Single-cell Motility Analysis of Tethered Human Spermatozoa. [PDF]
, 2019 Vigorous sperm flagellar motility is essential for fertilization, and so the quantitative measurement of motility is a useful tool to assess the intrinsic fertility potential of sperm cells and explore how various factors can alter sperm's ability to ...
Lishko, Polina V +3 more
core
Superior sperm competitors sire higher-quality young [PDF]
, 2003 The evolution of polyandry remains controversial. This is because, unlike males, in many cases multiple mating by females does not increase fecundity and inevitably involves some costs.
Garner, T.W.J. +4 more
core +3 more sources
Human Spermbots for Cancer-Relevant Drug Delivery [PDF]
arXiv, 2019 Cellular micromotors are attractive for locally delivering high concentrations of drug and targeting hard-to-reach disease sites such as cervical cancer and early ovarian cancer lesions by non-invasive means. Spermatozoa are highly efficient micromotors perfectly adapted to traveling up the female reproductive system.
arxiv
A case of hypogonadtropic hypogonadism due to hypophysitis discovered by secondary male infertility
IJU Case Reports, Volume 6, Issue 1, Page 51-53, January 2023., 2023 Introduction The main causes of secondary male infertility are varicocele and aging. It is rarely caused by adult‐onset hypopituitarism. The onset of hypopituitarism is often due to brain tumors, trauma, surgery, or congenital disorders. Case presentation A 29‐year‐old man was admitted to the hospital with complaints of decreased libido and semen ...
Masatoshi Konishi +8 more
wiley +1 more source
IJU Case Reports, Volume 6, Issue 1, Page 56-59, January 2023., 2023 Introduction Testicular ectopia refers to abnormal positioning of testis, which includes a wide variety of variants. An ectopic testis is located off the normal path of male gonadal descent, unlike conventional undescended testis. Case presentation A 37‐year‐old man presented with the complaint of a palpable lesion in the scrotum.
Kenjiro Kishitani +9 more
wiley +1 more source
Validation of a method for measuring sperm quality and quantity in reproductive toxicity tests with pair-breeding male fathead minnows (Pimephales promelas) [PDF]
, 2009 This article originally appeared in the ILAR e-Journal. It is reprinted with permission from the ILAR Journal, Institute for Laboratory Animal Research, National Research Council, Washington DC (www.nationalacademies.org/ilar).The fathead minnow ...
Hala, D +3 more
core +1 more source
Animal Models and Experimental Medicine, EarlyView.Systematic process of collecting studies based on PRISMA. Abstract Background Due to the widespread use of cell phone devices today, numerous research studies have focused on the adverse effects of electromagnetic radiation on human neuropsychological and reproductive systems.
Mohammad Amiri +2 more
wiley +1 more source