Strictly speaking , matrix management is the practice of managing individuals with more than one reporting line ( in a matrix organization structure ) , but it is also commonly used to describe managing cross functional , cross business group and other forms of working that cross the traditional vertical business units â often silos - of function ...
Echinoderms can have ambulacral parts that include ossicles, plates, spines, and suckers. For example, sea stars or star fish have an ambulacral groove on their oral side (underside).This ambulacral groove extends from the mouth to the end of each ray or arm. Each groove of each arm in turn has four rows of hollow tube feet that can be extended or withdrawn.Opposite the ambulacral groove is an ambulacral ridge on the aboral side of each ray, known as an ambulacrum.chinoderms can have ambulacral parts that include ossicles, plates, spines, and suckers. For example, sea stars or star fish have an ambulacral groove on their oral side (underside).
The little groove is actually known as the 'philtrum' and is a product of the way the human face develops. Andrey Mischchenko/Shutterstock. We all have them, though itâs puzzled biologists for a long time as to why we do. Iâm talking about that odd little groove found below your nose that runs to your top lip. Technically, itâs known as your philtrum and itâs as ubiquitous to the human face as the nose or eyes. But what is it, and why the hell do we have it?