Fig. 6
From: In vivo toxicity and antitumor activity of essential oils extract from agarwood (Aquilaria crassna)
The subcutaneous tumors in NCR nude mice (a): Untreated group (1), treated group with EOs at 50 mg/kg (2), 100 mg/kg (3), 200 mg/kg (4). Cross sections of tumor tissues (b): untreated animals (1), treated animals with 50 mg/kg (2), 100 mg/kg (3), 200 mg/kg. The tissues were stained with Hematoxylin-eosin. (B.V) refers to blood vesicles, (N) refers to necrotic cells and (V) refers to viable tumor cells