Photomicrographs from a mountainous star coral (Montastraea cavernosa) in Florida, USA.
Detailed Description
Photomicrographs from a mountainous star coral (Montastraea cavernosa) in Florida, USA. (A) A large cluster of filamentous bacteria are within the gastrovascular space and gastrodermis (asterisk) and extending through mesoglea (arrow) with necrosis and loss of the surface gastrodermis (arrowheads). H&E stain. Scale bar 200 μm. (B) High magnification showing “railroad track” concatenated trichomes of cyanobacteria within necrotic gastrodermis and invading mesoglea (arrowheads). Endosymbionts in necrotic gastrodermis are swollen, flattened, or condensed (arrows) H&E stain. Scale bar 50 μm.
Sources/Usage
Public Domain.