THIS preliminary communication gives the results of some experiments conducted at the Marine Laboratory, Aberdeen, in 1953, as part of a more extensive herring-rearing programme. They show that it ...

In the month leading up to a natural conception, only one egg is released (sometimes two) during ovulation for potential fertilization and pregnancy. But when conception takes place outside the ...

An curved arrow pointing right. Scientists knew that that some animal eggs discharged zinc "sparks" during fertilization. But a recent study has found these fireworks also fly after sperm ...

More information: Sharon Ben-Hur et al, Egg multivesicular bodies elicit an LC3-associated phagocytosis-like pathway to degrade paternal mitochondria after fertilization, Nature Communications (2024).

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.

The female gamete is called an ovum or egg. The plural is ova. Ova are produced from germline cells in the ovaries. Ovaries contain immature ova at various stages of development. Each ova is ...

The AI determined that delivering the hormone injection when most follicles are between 13 mm to 18 mm improved the odds of ...