Definition: A type of parasitic tapeworm that can infect mammals, including humans, and cause serious health issues by forming cysts in organs like the liver and lungs.

Example: Echinococcus can lead to severe diseases if not treated properly.

Definition: A type of marine animal that has a symmetrical body and a hard internal skeleton, including creatures like starfish and sea urchins.

Example: The echinoderm is known for its unique ability to regenerate lost limbs.

Definition: Related to a group of marine animals that have a hard, spiny skin and include starfish and sea urchins.

Example: The echinodermatous species are known for their unique body structures and regenerative abilities.

Definition: A type of marine animal that belongs to the class of echinoderms, which includes creatures like sand dollars and sea urchins.

Example: The echinoid is often found on the ocean floor, where it plays a role in the marine ecosystem.

Definition: A type of marine worm that belongs to a specific group known for having a long, sensitive structure above their mouth.

Example: The echiuroid is often found in sandy or muddy ocean floors, where it burrows to hide from predators.

Definition: To make a sound that is repeated or reflected back, often in a way that can be heard again.

Example: The mountains echoed with the sound of our voices.

Definition: A sound that is reflected off a surface and heard again, or a similar effect in other contexts, such as a repetition of an idea or feeling.

Example: The mountains created an echo that made our voices sound much louder.

Definition: To repeat a sound by reflecting it off a surface, or to imitate something that has been said or done.

Example: The mountains echoed our laughter as we hiked through the valley.

Definition: A test that uses sound waves to create a picture of the heart's structure and function.

Example: The doctor ordered an echocardiogram to check how well my heart is working.

Definition: A visual representation of sound waves, often used in medical imaging to show the structure of organs or tissues.

Example: The doctor used an echogram to examine the patient's heart.

Definition: Relating to the repetition of phrases or words that someone has heard, often seen in certain developmental conditions.

Example: The child exhibited echolalic speech, repeating phrases he heard from his favorite cartoons.

Definition: A way that some animals, like bats and dolphins, find out where things are by making sounds and listening to the echoes that bounce back.

Example: Bats use echolocation to navigate and find food in the dark.