n.
The anterior or cephalic portion of the body of certain invertebrates, such as arachnids, in which segmentation is not evident.
[PRO-2 + Greek sōma, body.]
prosomal pro·so'mal adj.
prosoma
Dictionary:
pro·so·ma (prō-sō'mə) 
|
n.
The anterior or cephalic portion of the body of certain invertebrates, such as arachnids, in which segmentation is not evident.
| 5min Related Video: prosoma |
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 | Eurypterida |
| Ricinoides afzelii |
| Merostomata |
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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