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.
A ubiquitous organism, S pyogenes is the most common bacterial cause of acute pharyngitis, accounting for 15-30% of cases in children and 5-10% of cases in adults.During the winter and spring in temperate climates, up to 20% of asymptomatic school-aged children may be group A streptococcus carriers.