Peristomial | definition of peristomial by Medical dictionary
peristome (redirected from peristomial)
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A groove leading from the cytostome in ciliates and certain other forms of protozoa.
[peri- + G. stoma, mouth]
1. Botany A fringe of toothlike appendages surrounding the mouth of a moss capsule.
2. Zoology The area or parts around the mouth in certain invertebrates.
per′i·sto′mal (-stō′məl), per′i·sto′mi·al (-stō′mē-əl) adj.
peristome (pĕr′ĭ-stōm) [″ + stoma, mouth]
The channel leading to the cytosome or mouth in certain types of protozoa.
peristome any structure that occurs around the mouth or opening of an organ.
References in periodicals archive
Dry weight of Aristotle's lantern (or test with spines and peristomial membrane (g)) - Dry weight of individual (g) X 100 (7)
Dry weight of Aristotle's lantern (g)/Dry weight of test with spines and peristomial membrane (g) x 100 (8)
The usual method for determining the success of metamorphosis is based on sampling the settlement surfaces 1-3 days after induction, to witness the loss of velum or the secretion of peristomial
shell (attachment is not a valid criteria).
This assumption is based on the similarities in anatomy of peristomial
palps and virtually identical trace morphologies (see Rodrigues et al.
5 M KCI was injected into the coelomic cavity via the peristomial