When we think about the systematic position of Balanoglossus in the animal’s kingdom then we face difficulties due to their similarity with both Chordata and Non-Chordata. For this reason, some workers place them under Chordata while some other workers place them into a separate group from the Chordata. Now we will focus on those affinities … Read more
Now we will discuss the excretory system, reproductive system, and nervous system, we will cover on following topics in this post – What is Primary Excretory Organ in Balanoglossus What is the mechanism of excretion in Balanoglossus The nature of excretory material in Balanoglossus General Overview of Nervous Systems in Balanoglossus Modes of Reproduction in … Read more
Now we will focus on the blood vascular system in Balanoglossus, the blood vascular system in Balanoglossus is open type or lacunar type, the body fluids are not limited to blood vessels, they open into a large body cavity. In an open vascular system, the visceral organ is present in the body fluids and take … Read more
Balanoglossus live in marine water and the required oxygen for respiration they collect from water. Now we will discuss all parts of their respiratory system and the mechanism of respiration in Balanoglossus. In Balanoglossus respiratory system have different parts – In phraynx the dorsal part, branchial portion of Balanoglossus have gill slits and they take … Read more
Now we will discuss how Balanoglossus collect their food and how their digestion occurs in their alimentary canal. We will focus on every part of their digestive system from mouth to anus. Alimentary Canal of Balanoglossus: Feeding and digestion of the food, everything occurs inside the alimentary canal which starts at the mouth opening and … Read more
In Balanoglossus body is soft and there are no special exoskeletons that can give them protection against external mechanical injuries. Balanoglossus do not have a typical endoskeleton as in other advanced animals in which bony or cartilaginous endoskeleton is present. In Balanoglossus there are some internal structures that are stiff as the endoskeleton, so they … Read more
Balanoglossus is a member of the Hemichordata, Balanoglossus have a soft body and their body have a hollow cavity, it is true coelom or body cavity. In Balanoglossus coelom is enterocoelom, during embryonic development archenteron form the body cavity or coelom, the coelom is lined by a peritoneum membrane. Hollow body cavity spread throughout the … Read more
Body Wall is thick and muscular in Balanoglossus, body wall can be differentiated into three distinct layers from outside to inner side. The body wall is composed of the outermost epidermis middle muscular tissue and innermost peritoneum, we will discuss each layer in detail below. Epidermis: The epidermis in Balanoglossus is glandular and bear cilia, … Read more
Balanoglossus is an important genus of Hemichordata, their body is soft and they are vermiform marine animals, now we will discuss their external morphology in which we focus on the shape of Balanoglossus, size of Balanoglossus, the colour of Balanoglossus, their different regions of the body, collar of Balanoglossus, the trunk of Balanoglossus and proboscis. … Read more
Now we are going to discuss what is Balanoglossus, what is its position in the animal kingdom, and the origin of the name Balanoglossus. What is Balanoglossus: Balanoglossus is a member of Hemichordata and they are marine, they are considered as primitive Chordata thought now they are placed in a separate phylum of invertebrates and … Read more