lamella
[ luh-mel-uh ]
/ ləˈmɛl ə /
noun, plural la·mel·lae [luh-mel-ee] /ləˈmɛl i/, la·mel·las.
a thin plate, scale, membrane, or layer, as of bone, tissue, or cell walls.
Botany.
- an erect scale or blade inserted at the junction of the claw and limb in some corollas and forming a part of their corona or crown.
- (in mosses) a thin sheet of cells standing up along the midrib of a leaf.
Mycology. gill1(def 2).
Building Trades. a member of wood, metal, or reinforced concrete, joined in a crisscross pattern with other lamellae to form a vault.
Ophthalmology. a small disk of gelatin and glycerin mixed with a medicinal substance, used as a medicament for the eyes.
Nearby words
Origin of lamella
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for lamella
The head is also more or less connected by a thin plate of bone, the lamella, to another outgrowth, the processus longus.
The Vertebrate Skeleton|Sidney H. ReynoldsIn this way the organs developed between the two layers of the lamella obtain their final fixed position.
The Anatomy of the Human Peritoneum and Abdominal Cavity|George. S. Huntington
British Dictionary definitions for lamella
lamella
/ (ləˈmɛlə) /
noun plural -lae (-liː) or -las
a thin layer, plate, or membrane, esp any of the calcified layers of which bone is formed
botany
- any of the spore-bearing gills of a mushroom
- any of the membranes in a chloroplast
- Also called: middle lamella a layer of pectin cementing together adjacent cells
one of a number of timber, metal, or concrete members connected along a pattern of intersecting diagonal lines to form a framed vaulted roof structure
any thin sheet of material or thin layer in a fluid
Derived Forms
Word Origin for lamella
C17: New Latin, from Latin, diminutive of lāmina thin plate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for lamella
lamella
[ lə-mĕl′ə ]
n. pl. la•mel•las
A thin scale, plate, or layer of bone or tissue, as around the minute vascular canals in bone.
A medicated gelatin disk, used instead of a solution for application to the conjunctiva.disk
Related formsla•mel′lar adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.