lamella


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Related to lamella: lamella roof, lamellar bone

lamella

 [lah-mel´ah] (L.)
1. a thin scale or plate, as of bone.
2. a medicated disk or wafer to be inserted under the eyelid. adj., adj lamel´lar.
circumferential lamella one of the bony plates that underlie the periosteum and endosteum.
concentric lamella haversian lamella.
endosteal lamella one of the bony plates lying beneath the endosteum.
ground lamella interstitial lamella.
haversian lamella one of the concentric bony plates surrounding a haversian canal.
intermediate lamella (interstitial lamella) one of the bony plates that fill in between the haversian systems.

la·mel·la

, pl.

la·mel·lae

(lă-mel'ă, -mel'ē), [TA]
1. A thin sheet or layer (such as occurs in compact bone) or sublayer.
2. A preparation in the form of a medicated gelatin disc, used as a means of making local applications to the conjunctiva in place of solutions. Synonym(s): disc (2) [TA], discus [TA]
[L. dim. of lamina, plate, leaf]

lamella

/la·mel·la/ (lah-mel´ah) pl. lamel´lae   [L.]
1. a thin leaf or plate, as of bone.
2. a medicated disk or wafer to be inserted under the eyelid.

circumferential lamella  one of the layers of bone that underlie the periosteum and endosteum.
concentric lamella  haversian l.
endosteal lamella  one of the bony plates lying beneath the endosteum.
ground lamella  interstitial l.
haversian lamella  one of the concentric bony plates surrounding a haversian canal.
intermediate lamella , interstitial lamella one of the bony plates that fill in between the haversian systems.
vitreous lamella  lamina basalis (1).

lamella

(lə-mĕl′ə)
n. pl. la·mellas or la·mellae (-mĕl′ē)
1. A thin scale, plate, or layer of bone or tissue.
2. A medicated gelatin disk, used instead of a solution for application to the conjunctiva.

lamella

[ləmel′ə] pl. lamellae
Etymology: L, small plate
1 a thin leaf or plate, as of bone.
2 a medicated disk of glycerin and an alkaloid, for insertion under the eyelid, where it dissolves and is absorbed for local application.
A thin leaf, plate, disk, wafer
Anatomy A concentric ring of matrix surrounding the central canal in an osteon of mature bone

la·mel·la

, pl. lamellae (lă-melă, -ē)
1. A thin sheet or layer, such as occurs in compact bone.
2. A preparation in the form of a medicated gelatin disc, used as a means of making local applications to the conjunctiva in place of solutions.
[L. dim. of lamina, plate, leaf]

lamella

Any thin plate, layer or sheet, as of bone.

lamella

or

thylakoid

a thin layer or plate. The term is used in the plural (lamellae) for:
  1. the sheet-like membranes that occur within the CHLOROPLAST, each of which consists of a pair of membranes with a narrow space between. Some 3000 occur in each chloroplast and their function is to maintain the CHLOROPHYLL molecules within the quantasomes in such a position as to receive the maximum amount of light.
  2. the gills of a basidiomycete fungus that radiate out from the stalk beneath the cap of the fruit and bear the spores.
  3. the layers in which the calcified matrix of bone occurs, each some 5 μm thick.

la·mel·la

, pl. lamellae (lă-melă, -lē)
1. [TA] Thin sheet or layer or sublayer.
2. Medicated gelatin disc used to make local applications to conjunctiva.
[L. dim. of lamina, plate, leaf]

lamella

pl. lamellae [L.]
1. a thin scale or plate, as of bone.
2. a medicated disk or wafer to be inserted under the eyelid.

circumferential lamella
one of the bony plates that underlie the periosteum and endosteum.
concentric lamella
haversian lamella (see below).
endosteal lamella
one of the bony plates lying beneath the endosteum.
ground lamella
interstitial lamella (see below).
haversian lamella
one of the concentric bony plates surrounding a haversian canal.
intermediate lamella
one of the bony plates that fill in between the haversian systems; called also interstitial lamella.
interstitial lamella
see intermediate lamella (above).
intrasinusal lamella
incomplete partitions which divide the frontal sinus of the horse into a number of communicating diverticula.
References in periodicals archive ?
9,10] The technique encompasses a tarsoconjunctival advancement flap from upper lid for the posterior lamella and skin graft or linear advancement flap for anterior lamella.
If significant vertical vectors were present, a midface lift with a posterior lamella collagen spacer was performed in the following technique.
When quantifying the timing of lamellar growth, frills were considered to be single lamellae, and the time to grow a lamella was counted from the start of one "no lamella" phase to the beginning of the next "no lamella" phase.
Histological sections of gills of Oreochromis niloticus specimens: a) Normal gill (1: primary lamella, 2: secondary lamella, H&E, 400x), b-d) Histopathological alterations.
GEA lamella settlers are produced by profile extrusion followed by thermal welding block assembly, a production method that allows almost any customised block sizes.
Resection of the medial lamella can cause instability of the middle turbinate, since it is attached by its medial lamella to the base of the skull.
3 Lateral lamella of gonopod telocoxite broadly rounded apically, without any distinct projections (Fig.
Exclusive facial porokeratosis: histopathologically showing fol-licular cornoid lamella.
Designed to look more dynamic than the SE, the Sport, starting from Au21,240, offers twin visible exhaust pipes, 17" bi-colour five-twin spoke alloy wheels and the two lamella grille in silver with chrome highlights.
Lamella tension was measured during the stretching of the lamella.
Alterations that occurred in the gills as a result of exposure to XP-07 include epithelial lifting, hyperplasia, lamella disruption or fusion, symptoms consistent with gill irritants.
The ability to polish TEM lamella without implanting gallium ions avoid the pitfall of induced amorphous layers on the lamella, leading to greatly improved TEM images.