The word ‘Hormone’ is derived from Greek word ‘hormao’ which means “I impel” or “I arouse to activity”. William M. Bayliss and Ernest H. Starling (1904) termed that important chemical substance as hormone though it was first proposed by W. B. Hardy. In animal physiology, it denotes a specific substance which is effective in a … Read more
The cell division is the process by which organisms generate new cells. By this process, a single parent cell divides and creates identical daughter cells. During cell division, the parent cell duplicates its genetic material (DNA) and transmits to the daughter cells. There are three types of cell division such as amitosis, mitosis and meiosis. … Read more
The nerves of the brain which directly emerge from or enter the skull or the cranium including the brainstem are called cranial nerves. They transmit or relay various information between the different parts of the body and the brain. The main functions include special senses of vision, smell, taste, and hearing. They come out from … Read more
The sinus infection is known as sinusitis. It is a major health problem which can cause inflammation of the sinus tissues. The people that have weak immune systems are at greater risk to sinusitis. Slimy substances are produced from sinuses, called mucous that help to keep the nasal passage moist. It also helps to trap … Read more
Labeo rohita is the important food fish that belongs to the carp family Cyprinidae under order Cypriniformes of Class Actinopterygii. There are three crucial Indian major carp (IMC) such as, Labeo rohita, Catla catla and Cirrhinus cirrhosus, of which Labeo rohita is the most highly market-priced carp fish due to its attractive taste. It is also … Read more
Freshwater fish live in freshwater habitats such as rivers, lakes, streams, ponds, ditches, marshes, flood plain, etc. About 41.24% of all known fish species occur in freshwater. The most notable freshwater fish species are Rohu, Catla, Mrigal, etc. In this article, we will discuss about the Catla calta and its life history. Systematic Position Phylum: … Read more