In medicine, ultrasound is used to detect changes in appearance, size or contour of organs, tissues, and vessels or detect abnormal masses, such as tumors. In an ultrasound examination, a transducer both sends the sound waves and receives the echoing waves.
Ancylomenes venustus , also known as the graceful anemone shrimp , is a species of shrimp which belongs to the family of the Palaemonidae . This species is found in the tropical waters from the centre of the Indo-Pacific biogeographical area.
The common shrimp (Palaemon affinis) is often seen darting about in rock pools. It has a semi-transparent body marked with lines of red and green, and conspicuous spots of orange and black on its leg joints and at the base of its tail.