lubricating passage
21Mesothelium — Micrograph of benign mesothelial cells. Peritoneal wash. Pap stain …
22Manual transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …
23USS Williamson (DD-244) — USS Williamson (DD 244/AVP 15/AVD 2/APD 27) was a sclass|Clemson|destroyer in the United States Navy during World War II. She was named for William Price Williamson. Williamson was laid down on 27 March 1919 and launched on 16 October 1919 by the …
24Durango and Silverton Narrow Gauge Railroad — Durango Silverton Narrow Gauge Railroad Locale La Plata County and San Juan County, Colorado Dates of operation 1881–present Track gauge …
25Question Mark (aircraft) — Question Mark was a modified Atlantic Fokker C 2A airplane, modified and flown by aviators from the United States Army Air Corps to experiment with aerial refueling. The flight took place from January 1 to January 7, 1929.BackgroundThe first… …
26Kadaververwertungsanstalt — The belief that the British government, using manufactured evidence, accused the Germans of operating Kadaververwertungsanstalten (corpse utilization factories) during World War I is one of the most durable legacies of the disinformation campaign …
27cecum — cecal, adj. cecally, adv. /see keuhm/, n., pl. ceca / keuh/. Anat., Zool. a cul de sac, esp. that in which the large intestine begins. Also, caecum. [1715 25; short for L intestinum caecum blind gut] * * * ▪ …
28protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …
29reamer — /ree meuhr/, n. 1. any of various rotary tools, with helical or straight flutes, for finishing or enlarging holes drilled in metal. 2. any bladelike pick or rod used for scraping, shaping, or enlarging a hole: a pipe reamer. 3. a kitchen utensil… …
30ear disease — ▪ human Introduction any of the diseases or disorders that affect the human ear and hearing. Impaired hearing (deafness) is, with rare exception, the result of disease or abnormality of the outer, middle, or inner ear. Serious… …
