Water travels from the soil to the root xylem through the apoplast (i.e., cell wall space) and/or cell-to-cell, but hydraulic barriers in the apoplast (e.g., suberized structures in the endodermis) can force water to traverse cell membranes at some points along this path. Anytime water crosses a cell membrane, its transport can be affected by the activ-ity of membrane-intrinsic water channel proteins (aquaporins). We review how aqua-porins can play an important role in affecting root water transport properties (hydraulic
Hornerâs Syndrome in Cats. Conditions of the body that affect the nerves supplying the face muscles and eyes can lead to a group of symptoms known as Hornerâs syndrome. This condition is characterized by a drooping eye, an eyelid that is protruding from the eye, or a severely constricted eye pupil.
Little Jack Horner is a popular English language nursery rhyme. It has the Roud Folk Song Index number of 13027.