Flashcards in Week Four: Annelida (Chapter 15) Deck (19):
What type of parasites are in annelida?
Leeches and earthworms
What is the morphology of leeches?
Slender, leaf shaped bodies
2 sucks (larger posterior, smaller anterior)
What is the smaller, anterior sucker of a leech called?
What does "annelida" mean?
Where do leeches live?
Fresh water, salt water, moist, damp locations
How do leeches attach to the host?
What is hirudin?
Anticoagulant passed by leeches
Most powerful anticoagulant known
What do leeches look like when they are engorged with blood?
Dark and bloated
Explain the morphology of a leech
Mouth leads to pharynx with salivary glands that secrete hirudin
That leads to crop where ingested blood is stored
What is the invasion of the nose, mouth, pharynx, or larynx by leeches called?
What are some ways you can detach leeches?
What are the leeches that is of veterinary significance and infests monkeys and domestic animals?
Limnatis and Dinobdella
What is the leech that infests wild and domestic aquatic birds
Aquatic leeches may cause...
-Coughing up blood
What is the medicinal leech called?
Host, common name, location of adult, transmission route
Common name: Meicinal leech
Location of adult: skin
Transmission route: Intentional placement for medicinal purposes
What do hirudo medicinalis look like?
Green pigmented pattern with brown stripes