Trichinella spiralis

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???????????????????????
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Trichinella spiralis - ????????????
Trichinosis ?????????????(Distribution) -
????????? - ?????????????????? ???????
???????????? - ?????? ?????????????????? ????
????????? ???????? ?????????? ????? ???? ????
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??????? (Morphology) - ??????????
????????????? - ???????????????? Stichosomal
type - ???? ?????? 1 1.3 X 0.03 mm
??????? 2.4 3.4 X 0.06 mm
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Male Trichinella spiralis (Radomyos et al., 1997)
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Trichinella spiralis ?????????????????
??????????????? (Radomyos et al., 1997)
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??????? (Life cycle) - ????????????????? ??????
1 ????? - ???????????????????? ?? ??? ????? -
??????????????????????????????????? ???????
?? ??? ??? ????????????
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?? , ??? ??????????????????? ???
cyst larvae ????????????????????? larvae
???duodenum ??????? 4 ????? larvae
????????????? ?????? ???????
???????????? larvae
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????????? (Pathology) ???????????????????????
????????????????? (????????????????????)
?????? ????????????? ???????????????????
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??????????????? (Diagnosis) 1.
?????????????????? 2. ??????????????? cyst 3.
Serology Test ???????? (Treatment)
Thiabendazole 50 mg / kg Body weight
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??????????????????? (Control and Prevention) 1.
?????????????????????????? 2. Deep freeze
?????????? (????????? cyst ???)
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Dracunculus medinensis - ???????????? Guinea
worm - ???????????? Dracunculiasis - ?????
?? ??????? ???????????
?????????? ???????? ??????? ?????
?????????????? ???????? - ????????????????
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??????? (Morphology) ?????? ??????? 40
mm X 0.4 mm ??????? ??????? 70-120 cm. X
0.7-1.7 mm ????????? ???????? Rhabditiform
larvae ?????? uterus ( Rhabditiform larva
???????????? 500 750 X 15 25 um )
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??????? (Life cycle) Adult worm
?????? ??????? ?????? Axillary inguinal
D.H. ??????? ?????????????
?????? ?????? 2Weeks ???? Infective
stage ??? L1 ?? Body cavity Cyclop
??? (I.H.)
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????????? (Pathology) ???????????????????
?????????????????? 1-3 ???
????????????????????????????? ???????
Secondary infection ??????????????
?????????????? ??????
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???????? (Treatment) 1. ?????????? Allergic
reaction ??? Antihistamine 2.
????????????? ??? ??????
????????????????? ???????????? ????? 3.
?? Hetrazan??? Adult worm
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Dracunculus medinensis (Sun, 1988)
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Dracunculus medinensis (Sun, 1988)
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??????????????????? (Control and Prevention) 1.
????????????? Dracunculiasis ????? 2.
?????????????????????????????? 3. ?????
Cyclops
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Gnathostoma spinigerum - ??????? ??? ,
??????? - ????? ??????? (?.
???????????????????? ??? ?. ??. ???????
????????)
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??????? (Morphology) - ????????????????????? -
??????????????????????????? - ???????
??????????????? Cephalic Bulb - ??????????????
8 ??? - ????? Trilobed lip 2 ??? - ??????
11-25 mm X 1-2 mm - ??????? 25-45 mm
X 3-6 mm - Larva ?? spine 4 ?????????
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Adult worm (Radomyos et al., 1997)
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Adult Head Bulb G. spinigerum (Sun,1988)
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Gnathostoma spinigerum (Radomyos et al.,
1997) male
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Gnathostoma spinigerum (Radomyos et al.,
1997) Female
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??????? (Life cycle) ??? ?. ???????????????????
? ??? ?. ??. ??????? 1937 (?.?. 2480)
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Adult ????????? ???????????????? (??? ,
?????) ????????? ???????? L3
???????????? 2nd I.H. L1 ?? Cyclop 1st
I.H. L2 ?? ??? ?? ?? 2nd I.H. L2
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????????? (Pathology) ?????? Accidental
host ???? Infect 24-48 ??.
????????????? ??????? ??? ???????
?????? ????? ?????? ??? ?????????
???? ????????????????? ?? ????? ???????
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(Sun, 1988)
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??????????????? (Diagnosis) 1. ??????????????????
2. ?????????????????????? 3. ???????????
?????????????
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• ???????? (Treatment)
• ??????????????????????????????????????
• ???????????????????????
• ???????????????????
• (Control and Prevention)
• - ????????????????? ??????????????

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Angiostrongylus cantonensis - Rat Lung
Worm - ?????? accidental host - ???????
Eosinophilic meningo-encephalitis
(Angiostrogyliasis)
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??????? (Morphology) ????????????????????
??? ????????????????????????????
????? Barbers pole
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?????????????? 3 Angiostrongylus cantonensis
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Angiostrongylus cantonensis (Radomyos et al.,
1997) Female
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Angiostrongylus cantonensis (Radomyos et al.,
1997) Male
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• ??????? (Life cycle)
• D.H. - Rat
• I.H. - Land snail , Freshwater snail

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Adult ?????????????? ??? ,
????? ????????? ????????? I.H. (L1 L2
L3) ?????????? L1
???????????????
????????????????????? ???????????
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????????? (Pathology) - ??????????????????? ????
??????????? (Diagnosis) 1. ???????????? 2. ????
CSF (Central spinal fluid )
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Angiostrongylus cantonensis ???? ocular
?????????? (Sun,1988)
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???????? (Treatment) - ????????????????????
????????????????? ?????????????????? ????????
???????????(Control and Prevention) 1.
???????????????????? (??????????????????
????????? ?????? ???????) 2. ????????????????????
???????? 3. ????????????????????????????
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Anisakiasis - ??????????? ?? Subfamily
Anisakinae Genus Anisakis Genus
Pseudoterranova
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True Anisakiasis - ??????????????????????
Anisakis spp. - ????????????????? Mackerel ???
Herring (????????????? Herring Worm) - Adult
????????????????????? Cetaceans ?????? ??????
???????
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Codworm Anisakiasis - ??????????????????????
Pseudoterranova spp. - ?????????????? Cod ???
Pollock (??????????????? migrate
??????????????????) - Adult ?????????????????????
??? Pinnipedia ?????? Seals , Sealions ,
Walrus
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Larvae of Anisakis spp. (Sun,1988)
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Third stage larvae of Pseudoterranova decipiens
(Sun,1988)
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larvae of Pseudoterranova decipiens (Sun,1988)
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????????????? (Distribution) -
?????????????????????????? ???? ????????
??????? ???????????????????? ???????????? -
???????????????????????? ?????????? (?.?.
1955) - ??????????????????????????????? ?? ?.?.
1965
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• ??????? (Life cycle)
• ?????? Paratenic host
• L3 Anisakis
• L4 Codworm

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Adult worm ?????? stomach wall ???
????? Paratenic host Embryonated egg
(L1) L3 encapsulate ???????????? L2
Free-swimming ???
??? Intermediate host ??? Crustacean ( L3 )
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????? (Sign and Symptom) - ??????????????
??????? ?????????????? ?????????????? ????????
??????? ???????????????? -
??????????????????????? (????? 12 ??.)
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??????????????? (Diagnosis) 1. Endoscope biopsy
forcep 2. Radiology ( Radiological Techniques
) ???????? (Treatment) - ?????????????????
??? Biopsy
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??????????????????? (Control and Prevention) -
???????????????? ??????????????? 60o C ????
??????????? 20o C (24 ??.)
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?????????????
????? ?????? ?????? 2536 ??????????????
?????????????? ????????? ???????????????????
???????????????? ???????? ???? 20 - 25 ???????
??????,?????? ???????????,??????? ?????????,?????
????????????????????? ?????????????? 2538
Atlas of Medical Parasitology with 456 colour
illustrations 2nd edition ???????? ???? 79 -
86 ?????? ???? 2539
????????????????????? ???????????????????? ?????
????????? ???????????????????? ???? 159 - 264
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??????? ?????????????????? ????????? 2535
????????????????????? ??????????????
???????????????? ???? 200 - 281 Ash,L.R. and
Orihel, T.C. 1984. Atlas of Human Parasitology.
2nd edition American Society of Clinical
Parthologists Press, Chicago. 212
pages. Beaver, P.C. Jung,R.C. and Cupp, E.W.
1984. Clinical Parasitology Lea Febiger,
Philadelphia. Bhaibulaya, M. and Stiyathai,A.
1982. Infectivity of Anisakis larvae type I
recovered from the gulf of Thailand. Southeast
Asian J. Trop. Med. Pub. Hlth, 13202-205.
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Daengsvang,S. 1980. A monograph on the genus
Gnathostoma and gnathostomiasis in Thailand.
Tokyo SEAMIC, 117 pages. Ratanaponglakha, D. and
Ambu, S. 1989. Humoral immune response of
Balb/c mice to larval and adult worm antigen
of Angiostrogylus malaysiensis. Southeast Asian
J. Trop. Med. Pub. Hlth, 20 227 - 231.
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