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

Difference between spermatid and spermatocyte ii, Q. What is the difference...

Q. What is the difference between spermatid and spermatocyte II? The spermatids (n) are the products of the second division of meiosis (meiosis II) in the male gametogenesis an

What is hypertrichosis of the ear, In humans, attached earlobes are a domin...

In humans, attached earlobes are a dominant feature over free earlobes while hypertrichosis of the ear is a holandric (Y-linked) feature. A person with attached earlobes and extens

About JACK FRUIT, How is the development of JACK FUIT fruit takes place fr...

How is the development of JACK FUIT fruit takes place from seed to fruit?

Causes of hypoglycaemia, Since hypoglycaemia can occur in any diabetic pati...

Since hypoglycaemia can occur in any diabetic patient at any time, it is important for you to learn the causes of hypoglycaemia. Such knowledge will help you to educate the patient

Describe the rationale behind sterilization, Q. Describe the rationale behi...

Q. Describe the rationale behind sterilization? Rationale for sterilization: Source of potential infection that exists in dental office include hands, saliva, nasal secretion,

Zoology, give an account of specific characters of phylum porifera

give an account of specific characters of phylum porifera

Digestive system of an arthropod, how does the digestive system of an arthr...

how does the digestive system of an arthropod operate

Explain the uses of isP in infant formulas, Explain the Uses of ISP in Infa...

Explain the Uses of ISP in Infant formulas Infant formulas  Infant formulas, where milk solids have been changed by soy products, are well established commercial products

What is specific defence mechanism, What is Specific defence mechanism ...

What is Specific defence mechanism Specific:  These relate to specialized cells located throughout the  body which respond to invasion of foreign materials/microorganisms  su

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