Which of the following can be found in ocular muscles -
Ans. is 'a' i.e., Trichinella Trichinella spiraliso It is a parasite of pig. Man is an incidental hosto Infective form is encysted 1st stage larva which is transmitted by eating uncooked porko Larva penetrates intestine and migrates to muscles where it undergoes encystation.o Most commonly involved muscles are extraocular muscles followed by biceps and muscles of jaw and necko Most infections are asymptomatic.o Clinical manifestations may be:-i) Abdominal - Diarrhea or constipation, abdominal pain, nausea, vomiting.ii) Hypersensitivity reaction - Fever with eosinophilia, periorbital and facial edema, hemorrhages in the subconjunctiva, retina and nail beds (splinter hemorrhages).iii) Rarely - Myocarditis with heart failure, encephalitis, pneumonitis.iv) Symptoms due to encystment of larva in muscles - Myositis with myalgia, weaknesso Bachman intradermal test is used for Trichinella.Educational pointo The muscles most often invaded by. Trichinella are highly vascularized muscles , such as eye muscles tongue, deltoid, pectoral, intercostal, diaphragm and gastrocnemius.
Trichinella
Ascaris
Entrobius
None
Helminthology