Algae

This photomicrograph depicts the histopathology associated with protothecosis in a dog due to Prototheca zopfii. This photomicrograph depicts the presence of Prototheca wickerhamii using a lactophenol cotton blue mount technique. This photomicrograph confirms the presence of Prototheca moriformis, an achlorophyllic algae. This photomicrograph confirms the presence of Prototheca stagnora, an achlorophyllic algae. This photomicrograph confirms the presence of Prototheca wickerhamii, an achlorophyllic algae. Note the histopathologic changes in protothecosis of the skin and mucous membrane of the nose due to P. wickerhamii. Note the resemblance between the algae Prototheca filamenta to a fungal organism due to its mycelia-like filaments. Note the resemblance between the algae Prototheca filamenta to a fungal organism due to its mycelia-like filaments. This photomicrograph depicts the presence of Prototheca wickerhamii in a case of protothecosis.