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The liquid filled cavity between alimentary canal and body wall of multicellular triploblastic animals is known as body cavity. Generally, the body cavity that is lined by mesodermal peritoneal membrane is known as coelom. According to Hyman (1955), coelom is the hollow space between alimentary canal and body wall which is lined by mesodermal peritoneal … Read more
Hepatitis is actually the inflammatory condition of the liver. The word “hepatitis” is derived from the Greek word ‘hepar’ and Latin word ‘itis’. In this case, ‘hepar’ means liver and ‘itis’ means inflammation. It is generally caused by a viral infection but other possible causes are available including autoimmune hepatitis and it also occurs as … Read more
There are two types of glands in the body such as endocrine glands and exocrine glands. Endocrine glands are also known as ductless glands that constitute the endocrine system. The endocrine system forms network in the body and produce hormones directly into the blood stream. Endocrine glands perform various functions in the body. They influence … Read more
The following table shows the comparison among Auxin, Gibberellin and Cytokinin: Auxin Gibberellin Cytokinin It is an organic acid: Indole radicle-Auxin a(auxenotriolic acid): C18H32O5, auxin b(auxenolonic acid): C18H30O4 and hetero auxin(indole acetic acid): C10H9O2N. It is also organic acid-5-ringed diterpenoids. Its chemical formula is C19H22O6 (GA3). It is also an organic alkali: 6-furfuryl amino purine … Read more
Reptiles belong to the class Reptilia under subphylum Vertebrata of phylum Chordata. The representatives of modern reptiles include turtles and tortoises, crocodiles and aligators, snakes, lizards, amphisbaenians and, tuataras. The science which deals with study of modern amphibians and reptiles is collectively called herpetology. The body size ranges from 17 mm (0.7 inches) to … Read more
Dividing cell is one of the important events in our life which divide each day, each hour, each seconds. In this process, a single cell divides to form two cells and again two cells produce four cells and so on. This process is known as cell division or cell reproduction. Cell division is of three … Read more