عطيفيات

Description: 40-something patient with nausea and vomiting. Endoscopic biopsy, H&E, 1000X oil immersion. Presumptive identification by morphology only. Date: 20 November 2019, 09:49. Source: Helicobacter heilmannii in gastric mucosa. Author: Ed Uthman from Houston, TX, USA. Camera location29° 34′ 36.4″ N, 95° 46′ 14.02″ W View all coordinates using: OpenStreetMap 29.576777; -95.770562.

Dozens of the curved bacteria fill the lumen of a gastric foveola. Hematoxylin & eosin stain, 1000X.

The organisms, scattered on and above the luminal surface, stain more boldly with the Giemsa technique. 1000X.

Thiovulum (thigh-owe-vul-um) is a colourless sulphur bacteria, with deposits of sulphur granules around a central vacuole. Differential interference contrast.