GENERAL HISTOLOGY

OESOPHAGUS STOMACH

ECHINODERMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is not a part of the water vascular system?
A
Tube Feet
B
Madreporite
C
Panama Canal
D
Ring Canal
Explanation: 

Detailed explanation-1: -Osphradium is an olfactory organ that is found in certain molluscs. The correct answer is option D. i.e., Osphradium.

Detailed explanation-2: -Complete answer: The stone canal is a part of the structure of echinoderms. It is a part of the vascular system. In sea stars, water enters the water vascular system through a sieve-like structure on the upper surface of the animal.

Detailed explanation-3: -Water vascular system is a characteristic feature of the phylum Echinodermata. It consists of an array of radiating channels, tube feet, and madreporite.

Detailed explanation-4: -Madreporite. Stone canal. Circular ring canal. Radial canals. Lateral canals. Tube feet. 11-Dec-2015

There is 1 question to complete.