Search Results for: ova
Reproductive system
What is the Reproductive System? The reproductive system of an organism is the biological system made up of all the... Read More
Human Reproduction
Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More
Dizygotic twins
Definition noun Two offspring that develop from two zygotes but share a common uterine environment, and would be born at the... Read More
Principles of Hormonal Control Systems
Hormones are chemical messengers that enter the blood directly upon their secretion from endocrine glands. A single gland or... Read More
Prophase I
Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More
Smooth endoplasmic reticulum
Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is part of or a region in the endoplasmic... Read More
Invagination
Invagination 1. (Science: biology) The condition of an invaginated organ or part. 2. (Science: biology) One of the methods... Read More
Fertilizin
Fertilizin An acid polysaccharide-amino acid complex associated with the female gamete membrane of several organisms;... Read More
Angiosperm
Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More
Generation
Generation 1. The act of generating or begetting; procreation, as of animals. 2. Origination by some process, mathematical,... Read More
First time! Human blood cell turned into a young sex cell
In essence, our body consists of two major types of cells – one group involved directly in reproducing sexually (called... Read More