The Danish microbiologist Hans Christian Gram developed a staining technique (1884) that classifies most bacteria into two large groups that are referred to eponymously, as Gram-positive and Gram-negative bacteria (1). His stain is still used in medical microbiology labs today, and because of its explanatory power, this classification is the most commonly used descriptor of a particular bacteri...

A 32 years, male, labourer had intermittent abdominal cramp for one year followed by appearance of multiple small hard lumps in the abdominal wall. The lumps were progressively increasing in size and some of them ruptured through the skin discharging yellowish semiliquid material, occasionally mixed with blood (Fig. 1). There was no history of hematochezia, alteration of bowel habit, vomiting, ...

Clear-cell variant of oral squamous cell carcinoma is an extremely rare entity. change can be seen in any the neoplasms, but as pure form variant, it difficult to find head-and-neck SCC. We hereby present a case report 71-year-old male who presented with growth erythematous patches on lateral pharyngeal wall for past 3 months. Histopathologic examination showed nests, islands and sheets maligna...

We used light and transmission electron microscopy to examine the morphology of the accessory glands of immature and mature adult males of Apis mellifera L. We also made an electrophoretic analysis of the protein content of the mature gland. The glands of the immature male actively secrete a mucous substance that can be seen in the lumen of the gland of the mature male. This secretion stains wi...