Archive | Phylum Mollusca

Respiratory Organs in Unio and Pila| Phylum Mollusca

Learn about the comparison between respiratory organs of Unio and Pila. Comparison # Unio: 1. Modes of respiration in Unio is aquatic. 2. Respiratory organs in Unio are primarily the gills. Highly vascu­lar mantle also acts as an accessory respiratory structure. 3. Two highly developed symmetrical gills are situated one on each side of the body of Unio. 4. Structure [...]

By |2016-05-27T11:34:10+00:00May 27, 2016|Phylum Mollusca|Comments Off on Respiratory Organs in Unio and Pila| Phylum Mollusca

Difference between Coelom and Haemocoel | Body Cavity

The upcoming discussion will update you about the difference between Coelom and Haemocoel. Difference # Coelom: 1. Embryologically coelom is the secondary body cavity formed within the mesoderm. 2. Perivisceral body cavity of most triploblastic animals. 3. Coelom is lined by coelomic epithelium. 4. Coelom does not contain haemocoelomic sinuses and haemocoelomic channels. 5. Blood passes from arteries to the [...]

By |2016-05-27T11:34:10+00:00May 27, 2016|Phylum Mollusca|Comments Off on Difference between Coelom and Haemocoel | Body Cavity

An Example of Phylum Mollusca: Pila Globosa

In this article we will discuss about Pila Globosa:- 1. Habit and Habitat of Pila Globosa 2. External Structures of Pila Globosa 3. Coelom 4. Digestive System 5. Locomotion 6. Respiratory System 7. Circulatory System 8. Excretory System 9. Nervous System 10. Reproductive System 11. Development. Contents: Habit and Habitat of Pila Globosa External Structures of Pila Globosa Coelom of [...]

By |2016-05-27T11:34:09+00:00May 27, 2016|Phylum Mollusca|Comments Off on An Example of Phylum Mollusca: Pila Globosa
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