He was diagnosed with schizophrenia.

Coelenterates are said to be the first animals with a true body cavity.

He is an expert in primatology and is engaged in the study of gorilla behavior.

A mute swan was swimming in the park's pond.

A black-necked swan was swimming in the park's pond.

He was moved by the view from the top of the skyscraper.

This area was formed under the influence of a lava dome.

My new Chinese-style cleaver has made cooking much easier.

The tensor veli palatini is one of the muscles that help in mastication and swallowing.

The tensor tympani is a muscle located in the middle ear that regulates the tension of the eardrum.