[9.4] Examine a prepared slide of the sheep liver fluke Fasciola. Parasites like Fasciola feed by ingesting cells, mucus and blood from the internal body surfaces of their mammalian host. Compare Fasciola with Opisthorchis, and find the features shown in the diagram.
[9.4] Examine a prepared slide of the sheep liver fluke Fasciola. Parasites like Fasciola feed by ingesting cells, mucus and blood from the internal body surfaces of their mammalian host. Compare Fasciola with Opisthorchis, and find the features shown in the diagram.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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![[9.4] Examine a prepared slide of the sheep liver
fluke Fasciola. Parasites like Fasciola feed by
ingesting cells, mucus and blood from the internal
body surfaces of their mammalian host. Compare
Fasciola with Opisthorchis, and find the features
shown in the diagram.
Pharynx. The mouth is at the
tip of a muscular pharynx that
extends from the middle of the
ventral side of the animal. Di-
gestive juices are spilled onto
prey, and the pharynx sucks
small pieces of food into the
gastrovascular cavity, where
digestion occurs.
Digestion is completed within
the cells lining the gastrovascular
cavity, which has 3 branches, each
with fine sub-branches that provide
an extensive surface area for nutrient
absorption.
Gastrovascular
cavity-
-Eyespots
Ventral nerve chords. From
Ganglia. Located at the anterior end
of the worm, near the main sources
of sensory input, is a pair of ganglia,
dense clusters of nerve cells.
the ganglia, a pair of ventral
nerve chords runs the length
of the body.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff1050b1b-819a-4bc6-93d4-e6622e1c223f%2Fe8eac72d-b310-475c-9e2e-7f35e4ebbd86%2Fhn1bppg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:[9.4] Examine a prepared slide of the sheep liver
fluke Fasciola. Parasites like Fasciola feed by
ingesting cells, mucus and blood from the internal
body surfaces of their mammalian host. Compare
Fasciola with Opisthorchis, and find the features
shown in the diagram.
Pharynx. The mouth is at the
tip of a muscular pharynx that
extends from the middle of the
ventral side of the animal. Di-
gestive juices are spilled onto
prey, and the pharynx sucks
small pieces of food into the
gastrovascular cavity, where
digestion occurs.
Digestion is completed within
the cells lining the gastrovascular
cavity, which has 3 branches, each
with fine sub-branches that provide
an extensive surface area for nutrient
absorption.
Gastrovascular
cavity-
-Eyespots
Ventral nerve chords. From
Ganglia. Located at the anterior end
of the worm, near the main sources
of sensory input, is a pair of ganglia,
dense clusters of nerve cells.
the ganglia, a pair of ventral
nerve chords runs the length
of the body.
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