Domes mounted on cannon-balls

"Cannon balls or pus balls" in pap smears: a case report.

A 50-year old female presented with the chief complaint of a discharge per vaginum, which was there for the past 15 days. A routine PAP smear was received in the Department of Pathology, Government Medical College, Patiala, India. After its fixation and staining, it was examined under the microscope. It showed the Trichomonas vaginalis infection, with the neutrophils forming cannon balls at pla...

'Cannon ball' pulmonary metastases.

To cite: Ammannagari N, Polu V. BMJ Case Reports Published online: [please include Day Month Year] doi:10.1136/bcr-2012008158 DESCRIPTION A 62-year-old woman, with no significant medical history, was found unresponsive at home. Patient was intubated and rushed to our emergency room. She was found to be in renal failure with hyperkalaemia. Chest x-ray (figure 1) revealed multiple large pulmonary...

Balls on the Lawn

Abstract: In the "tennis ball" problem we are given successive pairs of balls numbered (1,2), (3,4),... At each stage we throw one ball out of the window. After n stages some set of n balls is on the lawn. We find a generating function and a closed formula for the sequence 3,23,131,664,3166,14545,65187,287060,1247690,..., the n-th term of which gives the sum over all possible arrangements of th...

On catching fly balls.

Cannon of Harvard

William Bradford Cannon was born in 1871 in Prairie du Chien, Wisconsin, the site of Fort Crawford, where William Beaumont conducted classic experiments on digestion . Cannon would distinguish himself as a physiologist of Beaumont's rank . Although he was founder of the gastrointestinal roentgen examination and maintained an interest in gastroenterology throughout his life, Cannon's most produc...