Cervical spinal stenosis is the narrowing of the spinal canal in the neck. The spinal canal is the open area in the bones (vertebrae) that make up the spinal column.The spinal cord is a collection of nerves that runs through the spinal canal from the base of the brain to the lower back. Stiffness, pain, numbness, or weakness in the neck, shoulders, arms, hands, or legs. 2  Balance and coordination problems, such as shuffling or tripping while walking. 3  Cervical spinal stenosis can be crippling if the spinal cord is damaged.
Its singular form is called stoma, and it means 'mouth'. Stomata function is to regulate the process of photosynthesis, transpiration, respiration, etc. In this article we are going to discuss this structure and function in plants, which is an important part of plant biology. Positioning and Structure.
Guard Cells Function. Photosynthesis 1When the guard cells lose water on a hot day, they become deflated and push together, thus closing off the stoma. This cleaver strategy prevents the plants from dehydrating. Stomata open when K+ enters guard cell followed by water; stomata close when ... How do stomata open? Stomata sense environmental cues, like light, to open. ... croptechnology.unl.edu/viewLesson.cgi?... Guard cells open because of the osmotic entry of entry. Asking about Life - Google Books Resultby TOBIN, Allan J. Tobin, Jennie Dusheck - 2004 - Science - 1 pages Abscisic acid inhibits the flow of potassium ions into the guard cells, the cells lose water, and the stomata close.