Definition of crustose in English:

crustose

adjectiveˈkrʌstəʊsˈkrəstōs

Botany

(of a lichen or alga) forming or resembling a crust.
〔植〕（地衣或水藻）结壳的；壳状的
Example sentencesExamples
- Coarsest openings are considered to be exopores of short, subcylindrical exhalant canals that extend from the dermal surface inward to about mid-thickness of the crustose sponge.
- Geniculate taxa are characterized by larger nuclear genomes and crustose taxa are characterized by smaller with the exception of Neogoniolithon and Titanoderma.
- In foliose lichens, there is a second cortex below the medulla, but in crustose and squamulose lichens, the medulla is in direct contact with the underlying substrate, to which the lichen is attached.
- These two genera are common crustose lichens on coniferous tree trunks.
- This tome includes detailed entries on more than 800 foliose, fruticose, and crustose lichens; essays on the biology, structure, uses, and ecological significance of these plants; and hundreds of color photographs.

Origin

Late 19th century: from Latin crustosus, from crusta (see crust).

Definition of crustose in US English:

crustose

adjectiveˈkrəstōs

Botany

(of a lichen or alga) forming or resembling a crust.
〔植〕（地衣或水藻）结壳的；壳状的
Example sentencesExamples
- Coarsest openings are considered to be exopores of short, subcylindrical exhalant canals that extend from the dermal surface inward to about mid-thickness of the crustose sponge.
- These two genera are common crustose lichens on coniferous tree trunks.
- In foliose lichens, there is a second cortex below the medulla, but in crustose and squamulose lichens, the medulla is in direct contact with the underlying substrate, to which the lichen is attached.
- This tome includes detailed entries on more than 800 foliose, fruticose, and crustose lichens; essays on the biology, structure, uses, and ecological significance of these plants; and hundreds of color photographs.
- Geniculate taxa are characterized by larger nuclear genomes and crustose taxa are characterized by smaller with the exception of Neogoniolithon and Titanoderma.

Origin

Late 19th century: from Latin crustosus, from crusta (see crust).

词汇	crustose
释义	Definition of crustose in English: crustose adjectiveˈkrʌstəʊsˈkrəstōs Botany (of a lichen or alga) forming or resembling a crust. 〔植〕（地衣或水藻）结壳的；壳状的 Example sentencesExamples Coarsest openings are considered to be exopores of short, subcylindrical exhalant canals that extend from the dermal surface inward to about mid-thickness of the crustose sponge. Geniculate taxa are characterized by larger nuclear genomes and crustose taxa are characterized by smaller with the exception of Neogoniolithon and Titanoderma. In foliose lichens, there is a second cortex below the medulla, but in crustose and squamulose lichens, the medulla is in direct contact with the underlying substrate, to which the lichen is attached. These two genera are common crustose lichens on coniferous tree trunks. This tome includes detailed entries on more than 800 foliose, fruticose, and crustose lichens; essays on the biology, structure, uses, and ecological significance of these plants; and hundreds of color photographs. Origin Late 19th century: from Latin crustosus, from crusta (see crust). Definition of crustose in US English: crustose adjectiveˈkrəstōs Botany (of a lichen or alga) forming or resembling a crust. 〔植〕（地衣或水藻）结壳的；壳状的 Example sentencesExamples Coarsest openings are considered to be exopores of short, subcylindrical exhalant canals that extend from the dermal surface inward to about mid-thickness of the crustose sponge. These two genera are common crustose lichens on coniferous tree trunks. In foliose lichens, there is a second cortex below the medulla, but in crustose and squamulose lichens, the medulla is in direct contact with the underlying substrate, to which the lichen is attached. This tome includes detailed entries on more than 800 foliose, fruticose, and crustose lichens; essays on the biology, structure, uses, and ecological significance of these plants; and hundreds of color photographs. Geniculate taxa are characterized by larger nuclear genomes and crustose taxa are characterized by smaller with the exception of Neogoniolithon and Titanoderma. Origin Late 19th century: from Latin crustosus, from crusta (see crust).
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