Now, researchers have found a way to harness this property to create tubular structures of diphenylalanine that have the ability to convert thermal energy into electrical energy, also called a pyroelectric effect. (sciencedaily.com)
On ultrasonography, milk ducts appear as superficial, hypoechoic tubular structures with echogenic walls whose milk - fat globules appear as echoes. (emedicine.medscape.com)
Within the ribcage, there are patches of soft tissue that contain tubular structures in a branching pattern, which the team interprets as preserved lung tissue. (sciencemag.org)