WebFlatworms synonyms, Flatworms pronunciation, Flatworms translation, English dictionary definition of Flatworms. n. Any of various parasitic and nonparasitic worms of the … WebThe mesenchyme consists of fixed cells, free cells, and a fibrous matrix. Typically the flatworm brain is a bilobed mass of tissue with nerve cords. The muscular system is well-developed. The excretory system consists of protonephridia. Digestion can be both extracellular and intracellular in free-living and parasitic forms.

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Web2. digestive system. 3. reproductive system. 4. excretory system. What are the systems absent in flatworms? 1. respiratory system. 2. circulatory system. 3. skeletal system. An organism living in or on another organism called the host. parasite. WebA flame cell is a specialized excretory cell found in the simplest freshwater invertebrates, including flatworms (except the turbellarian order Acoela), rotifers and nemerteans; these are the simplest animals to have a dedicated excretory system. Flame cells function like a kidney, removing waste materials. hull and east riding safeguarding

What are excretory cells of flatworms called? - byjus.com

WebThe Nemertea are colloquially known as ribbon worms or proboscis worms. Most species of phylum Nemertea are marine and predominantly benthic (bottom dwellers), with an estimated 900 known species. However, … WebThe platyhelminthes possess a variety of organs of adhesion and attachment. Acetabulum or sucking organ in the form of ‘sucker’ is very common in adult flat worms. In flukes, … WebA planarian is one of the many flatworms of the traditional class Turbellaria. [2] [3] It usually describes free-living flatworms of the order Tricladida ( triclads ), [4] although this common name is also used for a wide number of free-living platyhelminthes. [2] Planaria are common to many parts of the world, living in both saltwater and ... holiday out of office notice