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.
The herpes simplex virus, Streptococcus pyogenes (GABHS), Epstein-Barr virus (EBV), cytomegalovirus, adenovirus, and the measles virus cause most cases of acute pharyngitis and acute tonsillitis. Bacteria cause 15-30 percent of pharyngotonsillitis cases; GABHS is the cause for most bacterial tonsillitis.