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Lamella (mycology)

Lamella (mycology) is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Lamella (mycology) rather than just read about it. In short: In mycology, a lamella (pl.: lamellae), or gill, is a papery hymenophore rib under the cap of some mushroom species, most often agarics. The gills are used by the mushrooms as a means of spore dispersal, and are important for species identification.

Lamella (mycology) — main illustration
Lamella (mycology) — illustration

Key takeaways

  • Lamella (mycology) belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Lamella (mycology) to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Lamella (mycology) from memory before moving on to harder problems.

Reference excerpt

In mycology, a lamella (pl.: lamellae), or gill, is a papery hymenophore rib under the cap of some mushroom species, most often agarics. The gills are used by the mushrooms as a means of spore dispersal, and are important for species identification. The attachment of the gills to the stem is classified based on the shape of the gills when viewed from the side, while color, crowding and the shape of individual gills can also be important features. Additionally, gills can have distinctive microscopic or macroscopic features. For instance, Lactarius species typically seep latex from their gills. It was originally believed that all gilled fungi were Agaricales, but as fungi were studied in more detail, some gilled species were demonstrated not to be. It is now clear that this is a case of convergent evolution (i.e. gill-like structures evolved separately) rather than being an anatomic feature that evolved only once. The apparent reason that various basidiomycetes have evolved gills is that it is the most effective means of increasing the ratio of surface area to mass, which increases the potential for spore production and dispersal. Other groups of fungi to bear gills include:

The genera Russula and Lactarius of the Russulales. Several genera in the Boletales, including Gomphidius and Chroogomphus as well as Tapinella atrotomentosa (which has been traditionally named Paxillus atrotomentosus) and other species in that genus, the False chanterelle (Hygrophoropsis aurantiaca). Such polypore-like fungi such as Daedaleopsis confragosa, Lenzites betulina and Gloeophyllum sepiarium.

Members of the two related genera of chanterelles, Cantharellus and Craterellus, have rudimentary lamellar structures which are sometimes referred to as "false gills". They are distinguished from "true gills" because the structure of the fertile surface ("hymenium") continues uninterrupted over the gill edge, so they are little more than folds, wrinkles or veins. The genus Gomphus also has false gills. These primitive lamellae indicate how the evolution towards true gills probably happened. Lamellula (pl.: lamellulae) are partial gills that do not reach the stipe.

Classification Morphologically, gills are classified according to their attachment to the stipe:

References

External links

IMA Mycological Glossary: Gill

Illustrations

Lamella (mycology): The gills of Lactarius subdulcis are characteristically adnate and leak latex.
The gills of Lactarius subdulcis are characteristically adnate and leak latex.
Lamella (mycology): "False gills" of Craterellus tubaeformis
"False gills" of Craterellus tubaeformis
Lamella (mycology) illustration
Lamella (mycology) illustration
Lamella (mycology) illustration

Worked examples

Example 1 — a first encounter with Lamella (mycology)

Start with the simplest possible case. Write down what Lamella (mycology) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Lamella (mycology) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Lamella (mycology) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Lamella (mycology)

In research
Lamella (mycology) appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Lamella (mycology) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Lamella (mycology) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Fungal morphology and anatomy, so understanding it makes those chapters shorter.
In everyday life
Look for Lamella (mycology) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Lamella (mycology) in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Lamella (mycology) means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Lamella (mycology) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Lamella (mycology) in simple terms?

In mycology, a lamella (pl.: lamellae), or gill, is a papery hymenophore rib under the cap of some mushroom species, most often agarics. The gills are used by the mushrooms as a means of spore dispersal, and are important for species identification.

Why does Lamella (mycology) matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Lamella (mycology)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Lamella (mycology).

Tags

  • Fungal morphology and anatomy

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