Poisonous Animals
Biology

Poisonous Animals




Animal
Features
1.       Blister beetle (Lytta vesicatoria)
Canthridine (poison) causes blisters.
Body hairs of certain insects have basal unicellular glands putting poison, often causing urticarial rash
2.       Stinging insects
They (honey bee, wasps and stinging ants) have poison apparatus
3.       Scorpions
They have a terminal sting and poison glands
4.       Sepia (Cuttlefish)
Its Ink glands are for ?smoke screening? rather than poisonous
5.       Hydrozoan Cnidaria (e.g. Physalia)
Sting by their batteries of nematocysts, can paralyze small prey with hypnotoxins
6.       Catfishes
Their poison glands at the bases of the fin rays
7.       Puffer fish (Tetrodon cutcutia)
It has poison glands producing Tetrodotoxin, which blocks sodium ion channels in the cell membranes
8.       Heloderma
The only poisonous lizard. Mild poison in the sublingual salivary glands
9.       Poisonous snakes
Their venom (Poison) glands are modified labial glands
10.     Echidna (Spiny ant eater)
It has crural/ tarsal glands on the legs (Male only)






- The Excretory System Of Prawn Is Known As
A) Nephridia B) Malphigian Tubules C) Green Glands D) Solenocytes The correct answer is: C) Green Glands...

- Toxemia
Term: Toxemia (blood poisoning) Origin: Anc Greek ???????/toxicon(=(poison used to poison arrow heads) > ?????/toxon(bow)  + ?????/-hemia (=suffix denoting blood) Coined: ? (In 1930, Rowe coined the term "allergic toxemia" to describe a syndrome...

- Toxic
Term: toxic (adj) Origin: Anc Greek ???????/toxikon(= poison used to poison arrow heads)  > ?????/toxon(bow) Definition: adj pertaining to or caused by poison or a toxin...

- Excretory Organs Of Animals
Phylum Excretory organ Porifera No. Diffusion through body surface Cnidaria No. Diffusion through body surface Ctenophora No. Diffusion through body surface Platyhelminthes Protonephredia (Flame cells) Nemathelminthes Renette cells Annelida...

- Glands Classification
Classification of glands (Based on presence or absence of ducts): Endocrine (ductless) glands Exocrine (ducted) glands 1.  Hypothalamus2.  Pituitary3.  Pineal4.  Thyroid5.  Parathyroid6.  Thymus7.  Pancreas...



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