Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / 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 |
Post New Answer View All Answers
What contaminants are affecting fisheries?
What large hairy spider from a city in Italy A. Vinecaliu B. Tarantula C. Both A and B D. None
Which is the most primitive breed pf dogs in the world?
What is a transgenic animal? A transgenic knockout mouse? What are the advantages and disadvantages of such animals for neuroscientific studies? Please give one or two specific examples.
In which country kiwi is found?
How many days does the fertilized ovum in human beings takes before reaching the uterus?
Which animal is hyena family eats insects?
Define what is murrah?
Which kingdom does starfish belong to?
Which is the word’s smallest monkey?
Define what is hervivores?
Describe the vertebrate brain and name its major areas.
Name the animal which faints when frightened by the enemy?
Which has the thickest skin of any living animal?
what is orthogonal matrix?
