annulus meaning in Urdu

Urdu words for annulus

حلقہ

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 Bengali
• annulus in Punjabi
• annulus in Arabic
• annulus in Malay
• annulus in Indonesian
• annulus in Persian
• annulus in Vietnamese

Questions about annulus in Urdu

What is the meaning of annulus in Urdu?

Annulus in Urdu is حلقہ.

annulus کا اردو میں کیا مطلب ہے؟

Annulus: حلقہ.

What does annulus mean in English?

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