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.
Whether caused by viruses or bacteria, pharyngitis and tonsillitis are spread by close person-to-person contact. The contagious period varies between people and the exact bug thatâs causing the infection. Strep throat is usually no longer contagious 24 hours after a person starts taking antibiotics.ost cases of pharyngitis and tonsillitis are caused by viruses. These include the viruses that cause the common cold and influenza (flu), and less common viruses such as those that cause mononucleosis. The most common bacterium causing pharyngitis is Streptoccocus pyogenes, the bacterium that causes strep throat.