The following points highlight the four main developmental organs in vertebrates. The developmental organs are: 1. Brain 2. Eye 3. Heart 4. Kidney. Developmental Organ # 1. Brain: The first important morphogenetic change following gastrulation is the development of the central nervous system. The central nervous system starts as a simple tubular nerve tube which, […]
4 Main Developmental Organs in Vertebrates | Embryology
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Circulatory Systems of Vertebrates
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The below mentioned article provides a short note on the Circulatory Systems of Vertebrates. The circulatory system is of two types: open of closed. In open circulatory system, blood pumped by the heart passes through large vessels into open spaces or body cavities called sinuses. This type of system is present in Arthropods and Molluscs. […]
Chordata: Meaning and Classification | Zoology
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In this article we will discuss about the meaning and classification of chordata. Meaning of Chordata: The Chordata (chorde = cord) includes well-known animals such as lampreys, fishes, amphibians, reptiles, birds and mammals. They also include protochordates such as balanoglossus, ascidia and amphioxus. All chordates possess a notochord at least for some time in their […]
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