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Trematodes: The Tiny Travelers!

Imagine tiny, flat creatures that travel inside other animals, sometimes even people! They're called trematodes, and they're super interesting!

Images

Cercaria of trematode (259 21) Cercaria of trematode

Cercaria of trematode (259 21) Cercaria of trematode

openverse
Parásito trematode Derogenes lacustris 2
Cercaria of trematode (259 22)
Deformed leopard frog
Microcotyle aigoi in Ishii & Sawada 1938 Studies of ectoparasitic trematodes
Cali. Horned Snail (Cerithidea californica)
Stephanostomum baccatum
Parásito trematode Derogenes lacustris
General characteristics of trematodes (10.11646-zootaxa.4711.3.3) Figure 1
Euphorbia milii Des Moul. Euphorbiaceae. Crown of Thorns - so called because of its very spiny stems. Distribution: Madagascar. The latex contains a copper-containing amine oxidase, a lectin, lipase, peroxidase, and a diamine oxidase. In vitro the latex is synergistic with ketoconazole against Candida albicans (thrush). All Euphorbia have a toxic white latex, and in Europe this has been used as a folk remedy to treat warts. It can cause skin allergies and the smoke from burning them is toxic. the genus named for Euphorbus (fl. circa 10 BC – 20 AD), the Greek physician to the Berber King Juba II (c. 50 BC – 23 AD) of Numidia, Euphorbia milii is one of the tropical spurges, with fierce, cactus-like spines, grown as a house plant. The sap of spurges is used in folk medicine for treating warts (not very effective), and, historically, as a purgative - the word spurge being derived from the French word for purgation. The sap (probably dried) was administered inside a fig because it is so corrosive that it would otherwise burn the mouth and oesophagus – a technique used today, rather more subtly, with ‘enteric coated’ medications. The sap contains a potential anti-leukaemic chemical, lasiodoplin, and is also used in drainage ditches to kill the snails which carry the parasitic trematode which causes fasciolaris. It does not kill the fish. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Trematode (265 18) Dicrocoelium lanceolatum
Dicrocoelium-adult-fresh

Key Facts

Scientific Name
Class Trematoda.
Habitat
Worldwide, in aquatic environments and as parasites inside animals.
Diet
Varies; some absorb nutrients, others consume blood or tissue.
Size
Most are microscopic, but some can be a few centimeters long.
Fun Fact
Some trematodes can change their shape to fit inside their host animal!

What in the World Are Trematodes?

Trematodes are a type of animal called a flatworm. They are super small, often so tiny you can't see them without a microscope! Think of them like tiny, flat leaves or tongues. They don't have any legs or arms, and they live in all sorts of places, mostly in water or inside other animals. They are part of a big group of animals called flukes.

Where Do These Little Guys Live?

Trematodes are found all over the world! They love to live in wet places like oceans, rivers, and even puddles. But the most amazing thing is that many trematodes live inside other animals. They can be found in fish, birds, and even mammals like us! Some like to hang out in the liver, while others prefer the blood or intestines.

What Do Trematodes Munch On?

Trematodes are like tiny eaters that have special diets. Most of them are like little sponges, soaking up food from their surroundings. Some eat blood, like tiny vampires! Others might eat cells or bits of tissue from the animal they are living inside. They are not picky eaters and have adapted to get what they need from their hosts.

A Trematode's Amazing Life!

Trematodes have a very interesting life cycle. They often need two or even three different animals to complete their journey! They might start in a snail, then move to a fish, and finally end up inside a bird or a person. It's like a super complicated scavenger hunt for them! This helps them spread to new places and find new homes.

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Based on content from Wikipedia · Licensed under CC BY-SA 4.0