See rostellum in All languages combined, or Wiktionary
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"text": "the rostellum of the stigma of violets, or of the operculum of many mosses"
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"A small beak-like process or extension; a small rostrum."
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"text": "1922, John Christopher Willis, \"Orchidacea\", entry in A Manual and Dictionary of the Flowering Plants and Ferns, page 471,\nThe rostellum has an outer firm pouch, inside which is the viscid substance to which are firmly attached the caudicles of the pollinia. An insect entering the fl. probes the spur of the labellum and its back comes into contact with the rostellum and depresses the pouch, causing the viscid substance to adhere to the insect."
},
{
"ref": "1993, Robert L. Dressler, Phylogeny and Classification of the Orchid Family, page 45:",
"text": "In many orchids there is a discrete \"viscidium,\" or sticky pad, formed by the rostellum.",
"type": "quote"
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"text": "2005, Orchids of Manitoba: A Field Guide, Native Orchid Conservation Inc., page 20,\nThe third stigma is sterile and has developed into the rostellum, a sticky structure that aids in pollination by attaching the pollen to insects."
}
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"A projecting part of the column in the flower of an orchid that separates the male stamen from the female gynoecium."
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"(botany) A projecting part of the column in the flower of an orchid that separates the male stamen from the female gynoecium."
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"ref": "2005, Burton Jerome Bogitsh, Clint Earl Carter, Thomas N. Oeltmann, editors, Human Parasitology, page 273:",
"text": "The morphology of the scolex, particularly the rostellum, is also useful in diagnosis; T.^([Taenia]) saginata has no rostellum and its scolex bears no hooks, making it easily distinguishable from T. solium, which has an armed rostellum.",
"type": "quote"
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{
"ref": "2008, Dwight D. Bowman, Charles M. Hendrix, David S. Lindsay, Stephen C. Barr, Feline Clinical Parasitology, page 216:",
"text": "The scolex exhibits a retractable rostellum with crowns of recurved thorn-like hooks and four cup-like suckers.",
"type": "quote"
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"ref": "2012, Thomas C. Cheng, General Parasitology, page 405:",
"text": "Some species also possess an anteriorly projecting rostellum, which may or may not be armed with one or more rows of hooks. The rostellum can be retracted into the rostellar sac within the scolex.",
"type": "quote"
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"A retractable protruding part at the anterior end of a soft-bodied tapeworm; the scolex from which it protrudes is often armed with hooks which serve to keep it in place attached to the host."
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"(biology) A retractable protruding part at the anterior end of a soft-bodied tapeworm; the scolex from which it protrudes is often armed with hooks which serve to keep it in place attached to the host."
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"rhymes": "-ɛləm"
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"word": "rostellum"
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{
"text": "the rostellum of the stigma of violets, or of the operculum of many mosses"
}
],
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"A small beak-like process or extension; a small rostrum."
],
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"text": "1922, John Christopher Willis, \"Orchidacea\", entry in A Manual and Dictionary of the Flowering Plants and Ferns, page 471,\nThe rostellum has an outer firm pouch, inside which is the viscid substance to which are firmly attached the caudicles of the pollinia. An insect entering the fl. probes the spur of the labellum and its back comes into contact with the rostellum and depresses the pouch, causing the viscid substance to adhere to the insect."
},
{
"ref": "1993, Robert L. Dressler, Phylogeny and Classification of the Orchid Family, page 45:",
"text": "In many orchids there is a discrete \"viscidium,\" or sticky pad, formed by the rostellum.",
"type": "quote"
},
{
"text": "2005, Orchids of Manitoba: A Field Guide, Native Orchid Conservation Inc., page 20,\nThe third stigma is sterile and has developed into the rostellum, a sticky structure that aids in pollination by attaching the pollen to insects."
}
],
"glosses": [
"A projecting part of the column in the flower of an orchid that separates the male stamen from the female gynoecium."
],
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"raw_glosses": [
"(botany) A projecting part of the column in the flower of an orchid that separates the male stamen from the female gynoecium."
],
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"ref": "2005, Burton Jerome Bogitsh, Clint Earl Carter, Thomas N. Oeltmann, editors, Human Parasitology, page 273:",
"text": "The morphology of the scolex, particularly the rostellum, is also useful in diagnosis; T.^([Taenia]) saginata has no rostellum and its scolex bears no hooks, making it easily distinguishable from T. solium, which has an armed rostellum.",
"type": "quote"
},
{
"ref": "2008, Dwight D. Bowman, Charles M. Hendrix, David S. Lindsay, Stephen C. Barr, Feline Clinical Parasitology, page 216:",
"text": "The scolex exhibits a retractable rostellum with crowns of recurved thorn-like hooks and four cup-like suckers.",
"type": "quote"
},
{
"ref": "2012, Thomas C. Cheng, General Parasitology, page 405:",
"text": "Some species also possess an anteriorly projecting rostellum, which may or may not be armed with one or more rows of hooks. The rostellum can be retracted into the rostellar sac within the scolex.",
"type": "quote"
}
],
"glosses": [
"A retractable protruding part at the anterior end of a soft-bodied tapeworm; the scolex from which it protrudes is often armed with hooks which serve to keep it in place attached to the host."
],
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"(biology) A retractable protruding part at the anterior end of a soft-bodied tapeworm; the scolex from which it protrudes is often armed with hooks which serve to keep it in place attached to the host."
],
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"biology",
"natural-sciences"
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"sounds": [
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"rhymes": "-ɛləm"
}
],
"wikipedia": [
"Rostellum (helminth)",
"rostellum"
],
"word": "rostellum"
}
Download raw JSONL data for rostellum meaning in English (4.2kB)
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-11-28 from the enwiktionary dump dated 2024-11-21 using wiktextract (65a6e81 and 0dbea76). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
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