Growth in the experimental system used to characterize the 120-min lag phase of S. Typhimurium. (A) Overview of system for obtaining lag-phase cells. See Materials and Methods for details. (B) Growth curve showing lag phase in the experimental culture flask. Lag time was determined to be 2.09 h (n = 3).
CROS hearing aid. A Contralateral Routing Of Signals (CROS) hearing aid is a type of hearing aid that is used to treat unilateral hearing loss. It takes sound from the ear with poorer hearing and transmits to the ear with better hearing. Most systems are now wireless and are either behind the ear or custom built in-the-ear systems.
Health professionals use a variety of names to describe assistive devices: 1  Assistive listening devices (ALDs) help amplify the sounds you want to hear, especially where thereâs a lot of background noise. ALDs can be used with a hearing aid or cochlear implant to help a wearer hear certain sounds better.