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单词 θ31899
释义
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule (67)
spiculum1842

One of the calcareous or siliceous needles found in sponges. Usually in plural.

spicula1845

= spiculum, n. 3.

spicule1846

In sponges: = spiculum, n. 3.

needle1870

A spicule of a sponge, esp. when unbranched and pointed.

Subcategories:

— unspecified (4)
— pointed at both ends (2)
— style (1)
— rod-shaped and knobbed (3)
— branched (3)
— cross-shaped (1)
— star-shaped (7)
— wheel-shaped (2)
— having rays (14)
— having short axis (1)
— of two or more revolutions in growth (1)
— flesh spicule (5)
— rhabdus (7)
— triaene (8)
— desma (2)
— keel of C-shaped sponge-spicule (1)
— formation into a spicule (1)
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更新时间:2024/12/24 20:28:15