In contrast, each egg cell, or ovum, is relatively large and non-motile. During fertilization, a spermatozoon and ovum unite to form a new diploid organism.
Many previous studies on cell nucleus formation have utilized extracts from frog oocytes, making it impossible to observe the ...
Humans began in the womb as a fertilised egg cell or ovum called a zygote. One single cell. And that means that those hundreds of different cell types all come from the division of that original cell.
The FSH causes the maturation of the follicles in the ovaries -- each follicle consists of an egg (ovum) surrounded by cells that produce estrogen. Days 6 - 10 One dominant follicle develops that ...
It’s no easy task to dramatise the decade-long scientific, and social, struggle to bring in-vitro fertilization (IVF) into ...
Recently reported by Nature, scientists have found that an anti-aging molecule called spermidine could be a promising new way ...
Billions of years of evolution have made modern cells incredibly complex. Inside cells are small compartments called ...
With roughly 2,000 giant pandas remaining in the wild, scientists have spent the last several decades looking for new ways to help the iconic black-and-white bears stave off extinction. And now ...
A number of factors can play a decisive role in some couples' inability to conceive, which may lead them to turn to fertility ...
Inside every cell, a network of tiny filaments, called the microtubule cytoskeleton, helps maintain the cell's shape, allows ...
The FSH causes the maturation of the follicles in the ovaries -- each follicle consists of an egg (ovum) surrounded by cells that produce estrogen. Days 6 - 10 One dominant follicle develops that ...