explain the madreporite of water vascular system?
- 1 Answers
- 3661 Views
- I also Faced
- E-Mail Answers
Answer / ravindra
The system opens into exterior through a button shaped hard
calcareous plate the madreporite.
surface of madreporite is traversed by many radiating
furrows covered by the flagellated epithelium of body surface.
bottom of each furrow ends in pores each pore leading into
porecanal which transverses downwards through madreporite.
madreporite is perforated by 250 pores and canals looking
like a sieve.
porecanals join with collecting canals which open into small
spaces called ampulla placed beneath the madreporite.
| Is This Answer Correct ? | 1 Yes | 0 No |
what is the protein : RNA ration in eukaryotic ribosomes ?
Which ancient civilization believed cats were sacred?
consumption of fish is considered to be healthy compared to the meat of othr animals,because fish contains
what does the psychic phase do
Which is the largest indian deer?
Does anyone know of any genetic defects on animals? I'm just curious why I've never seen an animal with gigantism, or dwarfism, or down syndrome. I'm sure they all dont die at birth. I'm really interested in some information on this. thanks
What is the physical and biological basis of structural and functional MRI for brain imaging?
Give two of examples of Domestic pets ?
what are the different stages in the life histoty of dibothriocephalus?
What are the two types of dances of the bees & what does each signify?
Discuss the major features of at least two very different nervous systems (i.e. jellyfish, locust, lamprey, octopus, owl, rat, monkey). In what ways might the features of each system affect neural processing?
which branch of biology deals with the building blocks of all life
1 Answers Pokhara Higher Secondary School,
Micro Biology 
