lamina

American  

[lam-uh-nuh] / ˈlæm ə nə /

noun

plural

laminae, laminas

1. a thin plate, scale, or layer.

2. a layer or coat lying over another, as the plates of minerals or bones.

3. Botany. the blade or expanded portion of a leaf.

4. Geology. a layer of sediment or sedimentary rock only a small fraction of an inch (less than a centimeter) in thickness.

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lamina British  

/ -ˌnəʊz, ˈlæmɪˌnəʊs, ˈlæmɪnə /

noun

1. a thin plate or layer, esp of bone or mineral

2. botany the flat blade of a leaf, petal, or thallus

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lamina Scientific  

/ lăm′ə-nə /

plural

laminae

1. The expanded area of a leaf or petal; a blade.

2. See more at leaf

3. A thin layer of bone, membrane, or other tissue.

4. The thinnest recognizable layer of sediment, differing from other layers in color, composition, or particle size. Laminae are usually less than 1 cm (0.39 inches) thick.

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Other Word Forms

• laminar adjective

Etymology

Origin of lamina

From Latin, dating back to 1650–60; lame ²

Example Sentences

The new teeth are rooted in a band of tissue called the dental lamina that is present in the jaw but has never been documented elsewhere.

From Science Daily

This usually happens in a part of our gut called the lamina propria.

From Science Daily

There is some evidence for this idea, such as neuroimaging work in people that have identified activity in the lamina terminalis in response to thirst.

From Scientific American

The laminae of phyllo dough look pale, but they crackle wonderfully against the honey-rich nut fillings.

From Los Angeles Times

Tight junctions are disrupted, enabling microbes to cross from the lumen into the lamina propria.

From Nature