01:146:328 Lecture Notes - Lecture 17: Ethyl Acetate, Formaldehyde, Secernentea
1 Dec 2016
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Diagnostic techniques: diagnosis of any infection, central to any control program, perfect gold standard. Potential for 1000s of eggs per day being produced critical issue concerning environmental contamination: you can do a direct wet smear i) ii) Take 2 mg of the fecal material and mix it with saline, and examine under a microscope for eggs. A fecal concentration technique allows for the detection of small numbers of eggs (1) even if there is a small number of eggs in the sample, they are concentrated together, increasing the liklihood of finding them. Immunologic testing: ex) toxacara canis is a nematode in the class: secernentea. The larva migrates through the host body. i) And extended random wandering through the body. (iii) they go through the liver, lungs, brain and cause damage (2) ocular larva migrans have entered the eyes (a) can lead to inflammation, scarring and blindness. iii)
