2,992
回編集
差分
ナビゲーションに移動
検索に移動
編集の要約なし
*egg under microscopy has thick hard wall because it needs to hatch 6-8weeks in soil
**infertile egg has bumpy shaped wall
{{Intermediate
|category=(soil-transmitted)
|latin=
|inward=(egg contained in host feces)
|organ=
|reproduction=(embryonated in soil)
|course=(only fertilized egg embyonated with L3 larva)
|detection=
|onward transmission=(ingested by human with embryonated egg contaminated food)
}}
{{Definitive
|category=human
|latin=
|inward=ingestion of embryonated egg contaminated food
|organ=duodenum→lung→esophagus→intestine
|reproduction=sexual
|course=
<ol>
<li>ingested embryonated eggs hatch in duodenum
<li>larvae penetrate duodenum wall and enter circulation
<li>migrate to lungs via circulation
*Löeffler syndrome may occur
<li>migrate trachea to esophagus
<li>reach intestine and differentiate males and females
<li>females produce 200,000 egg everyday
<li>eggs excreted by defecation
|detection=egg microscopy of feces
|onward transmission=ingestion of embryonated eggs 6-8 weeks after defacation
}}
