Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


n. pl. la·mel·lae (-mĕl′ē′) or la·mel·las
One of the thin scales, plates, layers, or membranes in an organism, as one of the gills of a mushroom or one of the thin sheets that make up certain bones.

[Latin lāmella, small thin plate, diminutive of lāmina, thin plate.]

la·mel′lar adj.
la·mel′lar·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ləˈmɛl ər, ˈlæm ə lər)

1. referring to a lamella or lamellae.
la•mel′lar•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Mastering DALK: A Video Textbook on Deep Anterior Lamellar Keratoplasty (online access included)
There are three types of corneal transplants, depending on how much of the cornea needs replacing: a penetrating keratoplasty (KP) which is a full thickness transplant; a deep anterior lamellar keratoplasty (DALK) which replaces the outer and middle layers of the cornea; and an endothelial keratoplasty (EK) which replaces the back layers of the cornea.
Lamellar ichthyosis generally occurs at birth with a striking collodion-type membrane covering the body and underlying erythroderma, which then desquamates.
Focal person for the bank Assistant Professor Zaman Shah carries out the latest procedures, including deep anterior lamellar keratoplasty (DALK), pre-descemet's deep anterior lamellar keratoplasty and descemet membrane endothelial keratoplasty (DMEK) in which the chances of graft rejection are minimal and cornea works for lifetime.
Oral and topical retinoids can be helpful in lamellar ichthyosis.
Hyperplasia, lamellar fusion and hypertrophy of pavement cells are some modifications that help prevent chemicals from reaching the bloodstream (Fernandes et al.).
For the diseases of corneal endothelium, which is the most inner layer of the cornea, PKP was replaced with lamellar endothelial keratoplasty procedures.
Harlequin ichthyosis is a severe variant of autosomal recessive congenital ichthyosis resulting from loss-of-function mutations in the ABCA12 gene on chromosome 2q35, a transporter protein responsible for the formation and function of the lamellar granules.
K2M Group Holdings announced that it will showcase its first-to-market MOJAVE PL 3D Expandable Interbody System featuring Lamellar 3D Titanium Technology and several of its newest spinal solutions at the North American Spine Society 33rd Annual Meeting, NASS, in Los Angeles, CA, September 26-29.
The lifting of the lamellar epithelium was observed in all the gills analyzed (100%), followed by lamellar epithelium hyperplasia (96.9%), excessive proliferation of the filament epithelium cells causing complete fusion of various lamellae (82%) and vascular congestion (60%).
In crescentic lamellar wedge resection (CLWR), the abnormally thin corneal stroma is removed while sparing the central cornea and the margins of normal-thickness stroma are reapposed.