| physocephalus sp. (spirurida, spirocercidae) larvae in stomach granulomas of the blue spiny lizard, sceloporus serrifer (phrynosomatidae) from texas. | prevalence of larval nematodes (physocephalus sp., spirurida, spirocercidae) and associated cysts are reported from the blue spiny lizard, sceloporus serrifer, from texas (usa). prevalence of infection was 29%, with seven of 24 animals infected. larvae were found in gastric submucosal and occasionally mucosal cysts with a mean (+/- se) of 287 +/- 9.04 microns in diameter. the nematodes evoked a chronic granulomatous response including cyst formation with focal destruction of gastric glands. cyst ... | 1994 | 8028117 |