Synlophe of Nematodirus neotoma (Trichostrongyloidea).
The synlophe of Nematodirus neotoma from Neotoma spp. is characterized. The cervical synlophe is composed of 30-32 and 36-42 ridges in males and females, respectively. Of these, 14 and 20-22 ridges are continuous in the cervical zone and extend to the base of the cephalic expansion. Six pairs of lateral ridges are discontinuous but extend greater than one-third the length of the cervical region. In both males and females, the number of ridges increases posteriad, terminating near the bursa in the male, and extending the entire length of the body in the female. The synonymy of N. neotoma and N. tortuosus was confirmed.
Hoberg
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College of Veterinary Medicine, Oregon State University, Corvallis 97331.
Rickard
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LG
Zimmerman
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GL
D000818:Animals; D005260:Female; D008297:Male; D008855:Microscopy, Electron, Scanning; D014251:Trichostrongyloidea / Q000033:anatomy & histology* / Q000648:ultrastructure