Chpt 9 - The Phylum Acanthocephala Flashcards Preview

Parasitology > Chpt 9 - The Phylum Acanthocephala > Flashcards

Flashcards in Chpt 9 - The Phylum Acanthocephala Deck (10):
1

Acanthocephalans

Thorny-headed or spiny-headed worms

2

Spiny proboscis

Organ of attachment; holdfast organelle

3

Tegument

"Feeding organelle" - absorbs nutrients through the body surface

4

Dung beetle

Usual intermediate host for an acanthocephalan

5

Acanthocephalan egg

Three-layered shell

6

Acanthor

Larval acanthocephalan stage within egg

7

Acanthella and cystacanth

Larval acanthocephalan stages within intermediate host

8

Macracanthorhynchus hirudinaceus

Thorny-headed worm of swine

9

Oncicola canis

Thorny-headed worm of dog

10

Acanthocephalan pathology

Attachment to small intestine wall