Alpaca mating involves the penis entering the uterus – something that was suspected but not confirmed until now.

You’ll find most of these types of milk in your grocery store. But are they all truly milk—and what is the true nature of ...

The researchers found that within the oviduct walls of the mother, the species produces a lipid- and carbohydrate-rich ...

The coelacanth is ovoviviparous, meaning that eggs are fertilized internally and are retained in the mother's oviduct so that the young are born alive. Pups—26 were found in one mother—develop ...

Part of the charm of raising chickens lies in the surprise of what color eggs each hen will produce. Some breeds, like the ...

Fertilization occurs in the body cavity or just after the ovum enters the oviduct. Normally only one ovum is released at a time. 2nd and largest section of oviduct, lined with glandular cells that ...

One egg even turned up in the oviduct of a Darwinopterus pterosaur from China, along with another egg apparently pushed out by the impact that killed her. “Mrs. T” (for Mrs. Pterosaur ...

Mature ova are released from the ovary into the oviduct where they may be fertilised by sperm to form a zygote. In humans, fertilisation happens inside the woman’s body. This is a process called ...

This is called ovulation. The egg cell travels through the oviduct towards the uterus. If the egg cell does not meet with a sperm cell in the oviduct, the lining of the uterus begins to break down ...

Embryonic development is considered to begin at this point. The newly formed embryo undergoes a series of cells divisions called cleavage as it travels down the oviduct toward the uterus. The cleavage ...

In a new study from China researchers looked at the effect of stevia residue on the performance and gut functions of laying ...

Similar to mammals, this caecilian — an egg-laying amphibian — makes a nutrient-rich, milk-like fluid to feed its babies up ...