What are the cnidocytes, Biology

Assignment Help:

Q. What are the cnidocytes? What is the name of the capsule inside the cnidocyte? What are the biological functions of this structure?

Cnidocytes are specific cells present in coelenterates. They are found in the epidermis and contain toxic substances that can paralyze, hurt or even kill other animals.

Each cnidocyte has an inner capsule know as nematocyst where the actual urticating substance is stored. When a cnidocyte is excited it causes the nematocyst to expose a filament contains the toxic chemical.

Cnidocytes and their nematocysts have the biological functions of defending the individual from external aggression also of helping to capture their prey.


Related Discussions:- What are the cnidocytes

Pressure flow mechanism for translocation, experiments that support pressur...

experiments that support pressure flow as a mechanism for translocation

Define some usual doubts of children related to food, Define some Usual Dou...

Define some Usual Doubts of Children related to Food? Before embarking yourself to go through this unit, here is an activity for you to perform, Talk to 2-3 school' boys and gi

Zoology, give detail account of modes of locomotion in protozoa and describ...

give detail account of modes of locomotion in protozoa and describe various type of asexual reproduction in protozoa

Discuss chemical examination of semen, Question 1 Discuss briefly the c...

Question 1 Discuss briefly the collection and examination of pericardial fluid Question 2 Discuss the following- A) Collection of CSF B) Physical examination o

Events after sperm and egg fusion, Events after Sperm and Egg Fusion ...

Events after Sperm and Egg Fusion The entry of the sperm into the egg activates the egg. The activation of egg results in two types of responses. (1) The early responses a

Explain in brief about polymers, Explain in brief about Polymers In com...

Explain in brief about Polymers In comparison to metals and ceramics, polymers are weak and flexible. These are not popular as dental implant materials. Examples of polymeric m

Difference between cerebrum and brain, Q. What is the difference between ce...

Q. What is the difference between cerebrum and brain? What are the major parts of these structures? The concept of brain or encephalon comprehends the cerebrum mostly referred

Give detail explanation about swimming, Give detail explanation about Swimm...

Give detail explanation about Swimming Swimming is an excellent form of exercise. Swimming can improve the posture and circulation. It is a healthy activity. There are certain

Vitamin - a, VITAMIN - A Discovered by Macollum. Also known as ...

VITAMIN - A Discovered by Macollum. Also known as Retinol / Antixeropthalmic vitamin / Auxerophthol. It is vitamin for normal vision. It forms retinal pigments rho

What are the advantages of panoramic x-ray, Advantages of Panoramic X-Ray ...

Advantages of Panoramic X-Ray  Opposing landmarks are easily identified  The vertical height of the bone initialy can be assessed  The procedure is performed with conveni

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd