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Loa
(loŽә)
a genus of filarial nematodes.
Loa loa
a threadlike species found in West Africa, 2–5 cm (1–2 in) long, that inhabits the subcutaneous connective tissue of the body,
which it traverses freely (see loiasis). It is seen especially about the orbit, including under the conjunctiva, causing itching and occasionally edematous swellings.
The immature forms, or microfilariae, are diurnal, being found in the peripheral circulation in greatest concentrations during
the day. Flies of the genus Chrysops are the intermediate hosts and vectors.
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