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

Define diarrhoea problem of infants & preschoolers nutrition, Define Diarrh...

Define Diarrhoea problem of infants & preschoolers nutrition? We have just covered control and strategies in diarrhoea management in the above section. Crawling, unclean hands,

Tracheal system in cockroach, Tracheal system in cockroach Cockroach...

Tracheal system in cockroach Cockroach belongs to phylum Arthropoda under invertebrate. They have specially developed tracheal system for respiration The system consis

Explain about cesium-chloride gradients, Matthew Meselson and Frank Stahl g...

Matthew Meselson and Frank Stahl grew bacteria in media having either N14 or N15 for various numbers of cell divisions. DNA from the bacterial samples were isolated and spun within

Biological collections, Why do scientists make biological collections? Wha...

Why do scientists make biological collections? What are the scientific reasons for doing a collection? How is a collection done?

Show foods that damage gi mucosa, Q. Show Foods that damage GI mucosa? ...

Q. Show Foods that damage GI mucosa? Foods that damage GI mucosa: A number of spices, herbs and other condiments have been found to have little or no irritating effect on the m

Define the anatomical considerations, Define the Anatomical Considerations ...

Define the Anatomical Considerations 1. Neurovascular bundle associated with greater palatine foramen, e.g. palatal root of the upper 1 st molar: Don't do incision at this area

Glycolysis, steps involved in glycolysis

steps involved in glycolysis

Role of hormones in regeneration, Role of Hormones in Regeneration Se...

Role of Hormones in Regeneration Several neurosecretory effects in regeneration are integrated into a neuroendocrine feedback system. It is frequently difficult to distinguis

Soft tissue consequences - edentulism, As bone looses width, height, volume...

As bone looses width, height, volume, the attached gingiva gradually decreases and is prone to abrasions caused by the overlying prosthesis. In addition high muscle attachments and

Photosynthesis, how does the green plant build up carbohydrates

how does the green plant build up carbohydrates

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