Page Banner

United States Department of Agriculture

Agricultural Research Service

Related Topics

National Parasite Collection
headline bar
1 - NPC Main
2 - How to Deposit Specimens in the USNPC
3 - How to Borrow Specimens from the USNPC
4 - Mission Statement
5 - USNPC Personnel
6 - USNPC Related Links
7 - USNPC Publications
8 - USNPC Accomplishments
9 - Nematodirus in Domestic Ruminants
10 - Search USNPC Database
11 - USNPC Related Images
Nematodirus in Domestic Ruminants


Figures 1-6. Nematodirus spp. of North American domesticated ruminants. Diagrammatic drawings of anterior and cervical regions; right lateral views showing cephalic expansions, number and pattern of distribution of cuticular ridges, and positions of cervical papillae (cp), excretory pore (exp), and distal end of esophagus (es). 1. N. filicollis. 2. N. davtiani. 3. N. helvetianus. 4. N. oiratianus interruptus ssp. n. 5. N. abnormalis. 6. N. spathiger.

(Lichtenfels & Pilitt, 1983, Proc. Helminthol. Soc. Wash. 50: 261-274)


<< Previous    1     2     3     4     5     6     7     8     [9]     10     11     Next >>

Last Modified: 12/30/2009
Footer Content Back to Top of Page