Suggested Reading on Antiemetics by Our Doctors. Gallstones Gallstones are stones that form when substances in the bile harden. Food Poisoning Food poisoning is common, but can also be life threatening. Brain Tumor A brain tumor can be either benign (non cancerous) or malignant (cancerous), primary, or secondary.
Ants live in colonies where one or a few females, called queens, lay all the eggs. Most of the queens' offspring become worker ants that do not reproduce. A few are males, and some become new queens. Each queen ant can lay thousands of eggs per year.
In animals, egg cells are also known as ova (singular ovum, from the Latin word ovum meaning egg or egg cell).The term ovule is used for the young ovum of an animal.In higher animals, ova are produced by female gonads (sexual glands) called ovaries and all of them are present at birth in mammals and mature via oogenesis.he term ovule is used for the young ovum of an animal. In higher animals, ova are produced by female gonads (sexual glands) called ovaries and all of them are present at birth in mammals and mature via oogenesis.