Meristem culture may be used to propagate infertile plants, nursery stock, or F1 hybrids that do not breed true. As few virus diseases affect the plant apex, the technique can be used to produce virus-free stock.shoot-tip culture) The culture of excised meristems on suitable nutrient media under aseptic conditions. The stem apex is usually used though axillary meristems may also be taken. Often gibberellic acid must be added to the medium to promote normal growth into a plantlet.
The typical constellation of symptoms associated with disseminated Lyme disease may include severe fatigue with a need for naps during the day, low grade fevers, muscle and joint pains, sleep disturbance, irritability, headaches, light or sound sensitivity, sharp stabbing or shooting pains, and/or numbness and tingling.
Lyme disease can cause facial paralysis and the same symptoms as Bells palsy. Bacteria enter the body through the skin at the site of the tick bite. Typical early symptoms of Lyme disease are a red ring around the site of the bite and flu-like symptoms. Unfortunately these symptoms do not always appear.