Biology

About Nervous System Definition The nervous system of vertebrates is a complex information-processing system that consists mainly of the brain, spinal cord, and peripheral and…

Hypothalamus Definition Hypothalamus is a small but important part of the brain and plays an important role in hormone production and helps to stimulate many…

About Glucose Definition Glucose is the energy source that the body most readily uses. Glucose is sugar that is stored in the muscle for use.…

About Homeostasis Definition Homeostasis is a healthy state that is maintained by the constant adjustment of biochemical and physiological pathways. It is the maintenance (the…

About Ribosome Definition Ribosome is a sphere-shaped structure within the cytoplasm of a cell that is composed of RNA and protein and is the site…

Hydrophilic Definition Hydrophilic is a molecule or other molecular entity that is attracted to water molecules and tends to be dissolved by water. It refers…

About Prokaryote Definition Prokaryote is any of a wide variety of one-celled organisms of the kingdom Monera, that are the most primitive and ancient known…

Immunology Definition Immunology is the scientific study of the structure and function, blood banking, immunization, and organ transplantation of the immune system. Immunology deals with…

Nuclear Membrane Definition Nuclear Membrane is the double-layered membrane of the cell nucleus, separating the nucleoplasm from the cytoplasm and permeable to certain molecules, esp.…

Centrosome Definition Centrosome is a specialized region of the cytoplasm that is located next to the nucleus of a cell and contains the centrioles. The…

About Lysosome Definition Lysosome is a cell organelle, which is surrounded by a membrane; it has an acidic interior, and contains hydrolytic enzymes that break…

About Chromosome Definition Chromosome is a single chain of DNA that is coiled and super coiled to form dense thread-like pieces. The term chromosome is…