| batrachochytrium dendrobatidis infection and lethal chytridiomycosis in caecilian amphibians (gymnophiona). | batrachochytrium dendrobatidis (bd) is commonly termed the 'amphibian chytrid fungus' but thus far has been documented to be a pathogen of only batrachian amphibians (anurans and caudatans). it is not proven to infect the limbless, generally poorly known, and mostly soil-dwelling caecilians (gymnophiona). we conducted the largest qpcr survey of bd in caecilians to date, for more than 200 field-swabbed specimens from five countries in africa and south america, representing nearly 20 species, 12 g ... | 2013 | 23677560 |
| the caecilian ear. | a study of the ear and its responses to acoustic stimuli was carried out in two caecilian species, geotrypetes seraphini and dermophis mexicanus. there is no external ear opening or tympanic membrane. the middle ear mechanism consists of a single element, the stapes, with its footplate in the oval window and a headpiece extending anterolaterally to the quadrate. the inner ear contains a single auditory endorgan, the amphibian papilla, somewhat similar to this organ in anurans. the mode of stimul ... | 1975 | 1110350 |
| identification and characterization of visual pigments in caecilians (amphibia: gymnophiona), an order of limbless vertebrates with rudimentary eyes. | in comparison with the other amphibian orders, the anura (frogs) and urodela (salamanders), knowledge of the visual system of the snake-like gymnophiona (caecilians) is relatively sparse. most caecilians are fossorial with, as far as is known any surface activity occurring mainly at night. they have relatively small, poorly developed eyes and might be expected to possess detectable changes in the spectral sensitivity of their visual pigments. microspectrophotometry was used to determine the spec ... | 2010 | 20889838 |
| morphology of the kidney in the west african caecilian, geotrypetes seraphini (amphibia, gymnophiona, caeciliidae). | this study deals with the morphology and ultrastructure of the mesonephros in adult caecilians of the species geotrypetes seraphini. based on serial sections in paraffin and araldite, nephrons are reconstructed and the cellular characteristics of different nephron segments described. the long and slender mesonephric kidneys of g. seraphini are broadest caudally and taper toward the front, where the organs are divided into smaller segmental divisions. two nephron types can be distinguished on the ... | 2004 | 15376276 |