biology

Posterolateral sulcus of spinal cord

Posterolateral sulcus of spinal cord 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 Posterolateral sulcus of spinal cord rather than just read about it. In short: On either side of the posterior median sulcus of the spinal cord, and at a short distance from it, the posterior nerve roots are attached along a vertical furrow named the posterolateral sulcus. The portion of the medulla spinalis which lies between this and the posterior median sulcus is named the posterior funiculus.

Key takeaways

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

Reference excerpt

On either side of the posterior median sulcus of the spinal cord, and at a short distance from it, the posterior nerve roots are attached along a vertical furrow named the posterolateral sulcus. The portion of the medulla spinalis which lies between this and the posterior median sulcus is named the posterior funiculus.

References This article incorporates text in the public domain from page 752 of the 20th edition of Gray's Anatomy (1918)

External links Atlas image: n3a2p3 at the University of Michigan Health System

Illustrations

Worked examples

Example 1 — a first encounter with Posterolateral sulcus of spinal cord

Start with the simplest possible case. Write down what Posterolateral sulcus of spinal cord 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 Posterolateral sulcus of spinal cord 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 Posterolateral sulcus of spinal cord 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 Posterolateral sulcus of spinal cord

In research: Posterolateral sulcus of spinal cord 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 Posterolateral sulcus of spinal cord 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: Posterolateral sulcus of spinal cord is common in secondary-school and first-year university syllabi. It links to neighbouring topics Neuroanatomy stubs, Spinal cord, so understanding it makes those chapters shorter.
In everyday life: Look for Posterolateral sulcus of spinal cord 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 Posterolateral sulcus of spinal cord in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Posterolateral sulcus of spinal cord means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Posterolateral sulcus of spinal cord out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Posterolateral sulcus of spinal cord in simple terms?

Why does Posterolateral sulcus of spinal cord 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 Posterolateral sulcus of spinal cord?

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 Posterolateral sulcus of spinal cord.