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parapodia

疣足

The Collaborative International Dictionary of English v.0.48 (gcide)

Parapodium \Par`a*po"di*um\, n.; pl. {Parapodia}. [NL., fr. Gr.
para` beside ?, dim. of ? foot.] (Zool.)
One of the lateral appendages of an annelid; -- called also
{foot tubercle}.
[1913 Webster]

Note: They may serve for locomotion, respiration, and
sensation, and often contain spines or set[ae]. When
well developed, a dorsal part, or notopodium, and a
ventral part, or neuropodium, are distinguished.
[1913 Webster]

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英文字典中文字典相关资料:

Parapodium - Wikipedia
In invertebrates, the term parapodium (Gr para, beyond or beside + podia, feet; pl : parapodia) refers to lateral outgrowths or protrusions from the body Parapodia are predominantly found in annelids, where they are paired, unjointed lateral outgrowths that bear the chaetae
Parapodium | anatomy | Britannica
In certain marine gastropods, known as pteropods, the term parapodia refers to a pair of wing-like flaps that have evolved from the foot These modified structures are used for swimming, allowing the pteropods to navigate near the sea surface
Annelid - Wikipedia
Parapodia are unjointed paired extensions of the body wall, and their muscles are derived from the circular muscles of the body They are often supported internally by one or more large, thick chetae
What is the Difference Between Setae and Parapodia
The main difference between setae and parapodia is that setae are movable bristles in annelids, whereas parapodia are fleshy outgrowths on each segment of the annelid
Parapodium — Grokipedia
Parapodia represent lateral appendages found in certain annelids and gastropods, exhibiting bilateral symmetry through their paired occurrence on either side of the body axis
PARAPODIUM Definition Meaning - Merriam-Webster
The meaning of PARAPODIUM is either of a pair of fleshy lateral processes borne by most segments of a polychaete worm
parapodia - Encyclopedia. com
parapodia 1 In Polychaeta, usually biramous, muscular, lateral projections of the body, paired and extending from the body segments, more or less compressed laterally, and bearing setae; in free-swimming forms they are used for locomotion, and in sessile forms to fan water
Parapodia - definition of parapodia by The Free Dictionary
Each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called chaetae, which are made of chitin
Annelid - Segmentation, Cilia, Setae | Britannica
The basic features of locomotion in annelids are most easily observed in the earthworm because it lacks appendages and parapodia Movement involves extending the body, anchoring it to a surface with setae, and contracting body muscles

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