In this article we will discuss about:- 1. L.S. Anterior End of Balanoglossus 2. T.S. Proboscis of Balanoglosus 3. T. S. Collar Region 4. T.S. Branchiogenital Region. L.S. Anterior End of Balanoglossus: 1. It is the longitudinal section of anterior part of Balanoglossus. 2. In it the three fundamental regions of body of the animal are visible i.e., proboscis, collar [...]
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 [...]
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 [...]