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Obturator veins

Obturator veins is a science 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 Obturator veins rather than just read about it. In short: The obturator vein begins in the upper portion of the adductor region of the thigh and enters the pelvis through the upper part of the obturator foramen, in the obturator canal. It runs backward and upward on the lateral wall of the pelvis below the obturator artery, and then passes between the ureter and the internal iliac artery, to end in the internal iliac vein.

Obturator veins — main illustration
Obturator veins — illustration

Key takeaways

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

Reference excerpt

The obturator vein begins in the upper portion of the adductor region of the thigh and enters the pelvis through the upper part of the obturator foramen, in the obturator canal. It runs backward and upward on the lateral wall of the pelvis below the obturator artery, and then passes between the ureter and the internal iliac artery, to end in the internal iliac vein. It has an anterior and posterior branch (similar to obturator artery), which are larger than its corresponding arteries. The obturator veins have valves, especially in the extrapelvic section.

Additional images

References This article incorporates text in the public domain from page 676 of the 20th edition of Gray's Anatomy (1918)

Illustrations

Obturator veins illustration
Obturator veins illustration
Obturator veins illustration
Obturator veins illustration

Worked examples

Example 1 — a first encounter with Obturator veins

Start with the simplest possible case. Write down what Obturator veins claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Obturator veins 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 Obturator veins 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 Obturator veins

In research
Obturator veins appears in science 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 Obturator veins 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
Obturator veins is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cardiovascular system stubs, Veins of the torso, so understanding it makes those chapters shorter.
In everyday life
Look for Obturator veins 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 Obturator veins in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Obturator veins 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 Obturator veins out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Obturator veins in simple terms?

The obturator vein begins in the upper portion of the adductor region of the thigh and enters the pelvis through the upper part of the obturator foramen, in the obturator canal. It runs backward and upward on the lateral wall of the pelvis below the obturator artery, and then passes between the ure…

Why does Obturator veins matter?

Because it connects several science 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 Obturator veins?

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 Obturator veins.

Tags

  • Cardiovascular system stubs
  • Veins of the torso

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