rachis
Sign in to savethumb|upright=1.1|The dark rachis of a wild turkey feather
Article
4 sectionsContents
- In zoology and microbiology
- In botany<span class="anchor" id="Botany"></span><span class="anchor" id="botany"></span><span class="anchor" id="In botany"></span>
- See also
- References
thumb|upright=1.1|The dark rachis of a wild turkey feather
In biology, a rachis (from the [], "backbone, spine") is a main axis or "shaft".