Definition
noun, singular: lamella
(general)
Thin structures resembling a plate.
(cell biology)
Intergrana thylakoids, i.e. stroma thylakoids that connect grana (stacks of thylakoid discs).
(botany)
(1) Plate-like layers of pectin that cement cell walls of adjacent plant cells, and involved in forming plasmodesmata between cells and rendering stability in plants
(2) Thin scales or plate-like structures growing from the petals in certain flowers.
(3) Thin sheets of cells standing up along the midrib of leaves in mosses.
(mycology)
Radiating leaflike spore-producing structures beneath the cap of a mushroom or similar fungus; gills of the mushroom.
(zoology)
(1) Bony concentric layers surrounding the haversian canals in bone.
(2) Thin layers or pages in a gill book involved in respiration, as in horseshoe crabs
(3) Structures involved in respiration, and are of two types: the primary and secondary gill lamellae that increase the amount of oxygen intake of the blood in fish.
(4) Miniature ridges inside the bills of water-feeding ducks (Anatidae) and water birds (e.g. Phoenicopteridae), and serve as filters during feeding.
(5) Flanges or teeth-forming barriers inside the aperture of a snail’s shell.
(6) Precursors of the prepuce during the development of urinary and reproductive organs in humans.
(medicine)
Small disks of gelatin mixed with a medicinal substance to treat conjuntiva.
Supplement
Word origin: Latin lāmella, small thin plate, diminutive of lāmina, thin plate.
Related forms: lamellar (adjective).
Related phrases: middle lamellae (botany).
Dictionary > Lamellae
You will also like...
Protein Activity and Cellular Metabolism
Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..
Freshwater Producers and Consumers
Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..
Hormone Production
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Still Water Community Plants
This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..
Animal Water Regulation
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
Vascular Plants: Ferns and Relatives
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..