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Athlete’s foot is a fungal infection which manifests on the sole of the foot and between the toes.
Protozoans are unicellular eukaryotes. Malaria is an example of a disease caused by protozoa. Plasmodium is the pathogen and Female Anopheles mosquito is the vector.
Filariasis is caused by filarial worms that are spread by Culex mosquitoes.
Fungal diseases – Ringworm, Athlete’s foot.
Filariasis / Elephantiasis is caused by filarial worms that are spread by Culex mosquitoes.
Fungal diseases – Ringworm, Athlete’s foot.
Malaria is an example of a disease caused by plasmodium. Female Anopheles mosquito is the vector.
Occupational diseases are caused by situations in work sites. Some examples for occupational diseases are :
Acromegaly is the condition caused by the excessive production of somatotropin after the growth phase. It is characterised by the growth of the bones on the face, jaws and fingers.
If the production of somatotropin increases during the growth phase, it leads to the excessive growth of the body. This condition is called Gigantism.
| Alloy steels | Components | Speciality | Uses |
|---|---|---|---|
| Stainless steel | Fe,Cr,Ni,C | Hard | For the manufacture of utensils and vehicle parts |
| Alnico | Fe,Al,Ni,Co | Magnetic properties | To make permanent magnets |
| Nichrome | Fe,Ni,Cr,C | High resistance | To make heating coils |
Carbon monoxide is industrially produced by working with hydrogen at high temperatures and pressures and in the presence of a catalyst, methanol is a toxin.
Ethanol – also known as grape spirit. Ethanol is the most widely used alcohol in industry. Used in the manufacture of various organic compounds and paints, and as an organic solvent.
Thymus is an endocrine gland situated behind the sternum. This gland is very active during infancy but constricts as we reach puberty. This gland produces a hormone called thymosin. It is also known as ‘Youth hormone’. The major function of this gland is to control the activities and maturation of T lymphocytes which help to impart immunity.