See Also: Udden-Wentworth scale(medicine)
otic vesicle(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Wentworth (as used in expressions)(encyclopedia)
Furama (S. Wentworth)(tourism)
Wentworth-Douglass Hospital(health)
WENTWORTH Mutual Limited(finance)
Dilke, Sir Charles Wentworth, 2nd Baronet(encyclopedia)
Strafford, Thomas Wentworth, 1st earl of(encyclopedia)
Rockingham, Charles Watson-Wentworth, 2nd marquess of(encyclopedia)

Udden-Wentworth scale (medicine) and otic vesicle (medicine)


Udden-Wentworth scale (medicine)


Udden-Wentworth scale
<plant biology> A geometric scale of grain sizes which classifies particles of siliciclastic sediment from 4096 millimetres (boulders) in size down to 0.00006 millimetres (clay).

This scale is almost universally accepted by modern sedimentologists (a type of geologist). It was first proposed in 1898 by Udden and then modified and extended in 1922 by Wentworth.


otic vesicle (medicine)


otic vesicle -->
auditory vesicle


One of the paired sacs of invaginated ectoderm that develop into the membranous labyrinth of the internal ear.

Synonym: acoustic vesicle, otic vesicle.