In this article we will discuss about Balanoglossus:- 1. Derivation of Balanoglossus 2. Geographical Distribution of Balanoglossus 3. Habit and Habitat 4. External Structures 5. Body Wall 6. Supporting Structures 7. Locomotion 8. Coelom 9. Digestive and Respiratory Systems 10. Circulatory System 11. Excretory System 12. Nervous System 13. Reproductive System 14. Development 15. Affinities and Systematic Position. Contents: Derivation [...]
In this article we will discuss about Phylum Chordata:- 1. Meaning of Phylum Chordata 2. Important Features of Phylum Chordata 3. Non-Chordates 4. Ancestry 5. Outline Classification. Contents: Meaning of Phylum Chordata Important Features of Phylum Chordata Chordate Features Shared by the Non-Chordates Ancestry of Phylum Chordata Outline Classification of Phylum Chordata 1. Meaning of Phylum Chordata: The Phylum Chordata [...]
The upcoming discussion will update you about the difference between stomochord and notochord. Difference # Stomochord: 1. The stomochord arises as an out pocketing from the roof of the embryonic gut, anterior to the pharynx. 2. Endodermal derivative. 3. It has a narrow lumen, opening into the pharynx. 4. The wall of the lumen is composed of a single layer [...]