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Query: UMLS:C0277787 (stigma)
 13,352 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A Pentastomid nymph of the genus Porocephalus was identified following its removal from the brain-meningeal interface of a squirrel monkey, Saimiri sciureus. It was characterized by two inner and two outer hooks adjacent to the mouth opening, the presence of accessory lobes (or spines) on the outer hooks, a vertical slit-like mouth opening surrounded by a U-shaped conformation of integument, and annulation of the body surface. Stigmata, representing the openings of integumental chloride cells, were present on the dorsum of the head and tail, on anterior aspects of annulae on the body, and on anterior and posterior edges of annulae located on the ventral surface of the tail. These openings were not present on integumental folds at the bases of the inner and outer hooks, on the dorsal aspect of the tail flap, or in the deep grooves separating annulae. Although it was not possible to determine the species, based on the number of annulae this specimen may represent P. stilesi.
J Med Primatol 1985
PMID:Pentastomid nymph from the brain of a squirrel monkey (Saimiri sciureus). I. Morphology of the nymph. 404 3