Network Pharmacological Analysis and Experimental Study of the Antipharyngitis Mechanism of the Chaiqin Qingning Capsule

Table 5

Histopathological grading of pharyngeal tissue of rats in each group.

Group	Dose (mg/kg)		Pharyngeal histopathologic classification
			-	+	++	+++
Blank group	—	10	10	0	0	0
Model group	—	10	0	0	0	10
CQQN group	138.83	10	1	6	2	1
	277.65	10	5	4	1	0
	555.30	10	8	2	0	0

Note: and vs. model group. “-” means that the mucosa of the pharynx and submucosa is normal. “+” indicates that the scaly epithelium of the pharynx has little hyperplasia and a small number of inflammatory cells infiltrated under the mucosa. “++” means scaly epithelium hyperplasia of the pharynx mucosa, and inflammatory cell infiltration is seen in the lower layer. “+++” means the presence of the pharynx mucosa scaly epithelium hyperplasia with a large number of inflammatory cells infiltrated in the mucosa [21].