| 单词 | sporangium |
| 释义 | sporangium noun[C] biologyspecializeduk/spəˈrændʒiəm/us/spəˈrændʒiəm/thepartof aplant,especiallyafungus, thatproducesspores(=cellsfrom which newplantsgrow) 孢子囊Plant reproduction
Examplesofsporangiumsporangium Five whorls of bracts subtending sporangia are visible. From theCambridge English Corpus The above matches all involve some sort of encapsulation, that is, capsule, membrane, spore0seed coating, sporangia, that enhance survival of biological entities. From theCambridge English Corpus The plant is spiny, yet lacks preserved anatomy, and the single fertile specimen is not well enough preserved to demonstrate the exact arrangement of sporangia. From theCambridge English Corpus The fossils described above are likely to derive from trimerophyte ancestors because of the probably paired terminal sporangia and general morphology typical of this group. From theCambridge English Corpus Some were found on the outside of thesporangium, others on exposed spores. From theCambridge English Corpus Neither of the specimens of this genus contains spores within the sporangia. From theCambridge English Corpus Eventually, the diploid organism produces thick-walled resting sporangia that can survive unfavorable conditions such as dry weather or freezing. From theCambridge English Corpus The fungus was generally distributed throughout the lock in the form of spores, sporangia and short hyphae. From theCambridge English Corpus Numerous spheres also occur on and between spores and on the inner surface of thesporangiumwall. From theCambridge English Corpus Dispersed examples occur in the resin outside thesporangiumwall. From theCambridge English Corpus Spores are not present in any of the sporangia. From theCambridge English Corpus Some of the sporangia have dehisced, whereas others remain entire, and none contain spores. From theCambridge English Corpus All exhibit open sporangia, and a few spores lying against sporangial walls were observed in light microscopy. From theCambridge English Corpus Consequently, the experimental design may have led to a unique flash of parasites, while a continuous release of parasite sporangia may occur under natural conditions. From theCambridge English Corpus The outer margins of the sporangia of this specimen are more strongly convex than in the other examples. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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