| per | perineal; periodicity, periodic |
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| filarial periodicity | The circadian rhythm observed in the appearance of filarial microfilariae in the peripheral blood. See: diurnal periodicity, nocturnal periodicity. (05 Mar 2000) |
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| malarial periodicity | A clinical rhythmicity reflected in periodic fevers and chills recurring at approximately 48-hour intervals in tertian malaria (Plasmodium vivax or P. Ovale) or at 72-hour intervals in quartan malaria (Periodicity malariae); the rhythm of tertian or 48-hour cycles is frequently modified in malignant tertian or falciparum malaria (P. Falciparum); associated with release of merozoites from red cells during erythrocytic schizogony, although the controlling mechanism for the synchronous release is unknown. (05 Mar 2000) |
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| periodicity | The quality or state of being periodical, or regularly recurrent; as, the periodicity in the vital phenomena of plants. Origin: Cf. F. Periodicite. Source: Websters Dictionary (01 Mar 1998) |
| nocturnal periodicity | A circadian rhythm with the periodicity expressed during nighttime hours, as in the night release of microfilariae of the human filaria Wuchereria bancrofti into the peripheral blood; this type of periodicity is found in regions where the vector mosquito is a night-biting species. (05 Mar 2000) |
| subperiodic periodicity | A modified circadian rhythm in which the periodicity is not clearcut, as in certain zoonotic strains of Malayan filariasis caused by Brugia malayi; as in examples of strict filarial periodicity, this response is correlated with the biting habits of the vector insect (mosquito), although the precise mechanism inducing this microfilarial response is not clearly established. (05 Mar 2000) |
| diurnal periodicity | A circadian rhythm with primary expression of the periodicity during daylight hours, as in the release of microfilariae of Loa loa into the peripheral blood during the day, with far fewer released at night; associated with the day-biting habits of the vector, Chrysops species. (05 Mar 2000) |
| lunar periodicity | Any rhythmic phenomenon that follows a lunar or monthly cycle. (05 Mar 2000) |
| elephantiasis, filarial | Parasitic infestation of the human lymphatic system by wuchereria bancrofti or brugia malayi. It is also called lymphatic filariasis. (12 Dec 1998) |
| filarial | Pertaining to a filaria (or filariae), including the microfilaria stage. (05 Mar 2000) |
| filarial arthritis | Arthritis occurring in filariasis, probably due to extravasation of lipid-rich lymph resembling chyle into the joint space. (05 Mar 2000) |
| filarial dermatosis | A disease of sheep on high mountain ranges during the summer caused by larvae of the filarial worm, Elaeophora schneideri, which localise chiefly on the head, causing intense itching and loss of wool. Synonym: sorehead. (05 Mar 2000) |
| filarial funiculitis | Cellulitis of the spermatic cord due to filariasis; occurs endemically in Sri Lanka and Egypt, and probably elsewhere in the East. Synonym: endemic funiculitis. (05 Mar 2000) |
| filarial hydrocele | Hydrocele due to microfilaria (chiefly of Wuchereria bancrofti) in the tunica vaginalis. (05 Mar 2000) |
| filarial synovitis | Synovial inflammation often followed by fibrotic ankylosis due to microfilariae in the joint. (05 Mar 2000) |
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