annulus nghĩa là gì?

Vietnamese words for annulus

region in a plane between two concentric circles of different radii

hình vành khăn

English meaning of annulus

1. noun A ring- or donut-shaped area, object, or structure.
2. noun A ring of fibrous tissue; specifically (cardiology), such a ring around an opening of a heart valve, to which the valve leaflets and muscle fibres of the atria and ventricles are attached; an annulus fibrosus cordis.
3. noun A ring of light in a celestial body, especially when caused by an annular eclipse (for example, when the Sun and Moon are in line with the Earth, but the Moon does not completely cover the Sun's disc).
4. noun A structure surrounding a sporangium (or part of it) which shrinks and causes it to rupture for spore dispersal; specifically, in a fern: a structure around about two-thirds of the sporangium consisting of differentially thick-walled cells which dry and distort the sporangium; and in a moss: a complete ring of cells around the tip of the sporangium which dissolves to cause the tip to detach.

Full definition of annulus

Synonyms of annulus

• cylinder

annulus in other languages

• annulus in Tamil
• annulus in Urdu
• annulus in Bengali
• annulus in Punjabi
• annulus in Arabic
• annulus in Malay
• annulus in Indonesian
• annulus in Persian

Questions about annulus in Vietnamese

What is the meaning of annulus in Vietnamese?

Annulus in Vietnamese is hình vành khăn.

annulus nghĩa là gì?

Annulus: hình vành khăn.

What does annulus mean in English?

Annulus means a ring- or donut-shaped area, object, or structure.