First attested in English in the early 14th century, the word navy came via Old French navie, fleet of ships, from the Latin navigium, a vessel, a ship, bark, boat, from navis, ship. The word naval came from Latin navalis, pertaining to ship; cf. Greek Î½Î±á¿¦Ï (naus), ship, Î½Î±ÏÏÎ·Ï (nautes), seaman, sailor. The earliest attested form of the word is in the Mycenaean Greek compound word ðððð , na-u-do-mo (* naudomoi), shipbuilders, written in Linear B syllabic script.
Pemphigus foliaceus (PF) is the most common autoimmune disease in dogs. It is characterized by pustules, ulcers and crusts (scabs) developing on the canineâs skin surface. Pemphigus foliaceus is an autoimmune skin disease that typically begins in middle age dogs. Pemphigus foliaceus usually starts off as small, red patches, which quickly become pustules (pus filled blisters) and burst open. Thick crusts (scabs) form after the pustules bursts.
Megaesophagus can also be a symptom of another disease in dogs called myasthenia gravis. Myasthenia gravis is a neuromuscular disease where the primary symptom is weakness in various body parts of the dog.owever, when an animal has megaesophagus, the esophagus stays enlarged and does not push the food down to the stomach. Therefore, the food fails to enter the stomach and often stays in the esophagus, and is eventually regurgitated, or enters the lungs through breathing, or decays in the esophagus.