Although herbaceous stems all have the same basic tissues, the arrangement of tissues varies considerably. a. Herbaceous dicot stems have vascular bundles arranged in a circle (ring) in x-section, and have a distinct cortex and pith. b. Herbaceous monocot stems have scattered vascular bundles and ground tissue instead of a distinct cortex and pith.
Acute pharyngitis remains contagious till the fever and other symptoms are not cured, it may take 48 to 72 hours to get relief from pain and fever when a person is on antibiotics therapy in streptococcus infection.
Tweet. Pharyngitis is in fact a contagious infection. It is an infection of the throat or the pharynx, and is usually caused by a bacteria or virus. Sometimes pharyngitis can also be caused by chemical or other irritants. Simply observing the throat alone cannot identify the cause of pharyngitis.ost bacterial pharyngitis is caused by the streptococcus bacteria and is quite contagious. Strep throat is caused by these bacteria. The symptoms of strep throat include: 1  Red and inflamed throats. 2  Swollen lymph glands. 3  Difficulty swallowing.