Sentences with phrase «swimming sperm cells»
The device uses a field of three - dimensional posts that create an obstacle course for swimming sperm cells.
https://www.sciencedaily.com/
It uses a field of three - dimensional posts that create an obstacle course for the swimming sperm cells.
Not exact matches
You will see a pictorial expression of fertilization processes; how the sperm cell swims to an ovary and clings to it, then within some weeks a fetus looking like a tadpole is formed.
«Simply put, the compound turns - off the sperm's ability to swim, significantly limiting fertilization capabilities,» said lead investigator Michael O'Rand, PhD, retired professor of cell biology and physiology in the University of North Carolina at Chapel Hill School of Medicine, and president / CEO of Eppin Pharma, Inc. «This makes EP055 an ideal candidate for non-hormonal male contraception.»
The sperm are actually tethered to the Sertoli cells to prevent them from leaving the reef before they can swim.
Protons rush out of sperm cells, their pH rises and sperm start to swim (Cell, DOI: 10.1016 / j.cell.2009.12.053).
Schmidt says that sperm cells are an attractive option because they are harmless to the human body, do not require an external power source, and can swim through viscous liquids.
Demirci's Stanford team created the overall experimental device designs based on Tüzel's theoretical models, fabricated and tested the prototypes, and determined the best experimental parameters and medium for the sperm cells to swim through the device.
Nearly half of the samples contained cells with flagella, tail - like projections that sperm use to swim.
When added to the lower layer, the sperm cell swims through the opening and adheres to, fuses with, and fertilizes the egg.
When they loaded sperm cells with doxorubicin, a common chemo agent, and released them in a dish containing mini cervical cancer tumours, the sperm swam towards the tumours, killing 87 per cent of their cells within three days.
The new and improved ouabain was shown to successfully target sperm - cell proteins in rats, effectively hamstringing their ability to swim, so they couldn't reach and fertilize an egg.
Engineers have come up with tiny bio-hybrid robots that can swim in a manner similar to sperm cells.
«Our compound stops sperm from swimming,» Michael O'Rand, a retired professor of cell biology and physiology at the UNC School of Medicine and lead author of the study, told Newsweek.
Well, «they» may think they can make my sperm swim to the left, but little do they know that I have found the answer to making all of the world's citizens completely immune to toxins by virtue of the ultimate way to purge your cells and tissues of contaminated debris.
Sperm cells in semen (cum) swim up the vagina, through the cervix and uterus, and into the fallopian tubes.