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Superior labial artery

Superior labial artery 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 Superior labial artery rather than just read about it. In short: The superior labial artery (superior labial branch of facial artery) is larger and more egregious than the inferior labial artery. It follows a similar course along the edge of the upper lip, lying between the mucous membrane and the orbicularis oris, and anastomoses with the artery of the opposite side.

Superior labial artery — main illustration
Superior labial artery — illustration

Key takeaways

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

Reference excerpt

The superior labial artery (superior labial branch of facial artery) is larger and more egregious than the inferior labial artery. It follows a similar course along the edge of the upper lip, lying between the mucous membrane and the orbicularis oris, and anastomoses with the artery of the opposite side. It supplies the upper lip, and gives off in its course two or three vessels which ascend to the nose; a septal branch ramifies on the nasal septum as far as the point of the nose, and an alar branch supplies the ala of the nose.

See also Kiesselbach's plexus

Additional images

References This article incorporates text in the public domain from page 555 of the 20th edition of Gray's Anatomy (1918)

External links Anatomy figure: 23:05-05 at Human Anatomy Online, SUNY Downstate Medical Center - "Superficial arteries of the face." lesson9 at The Anatomy Lesson by Wesley Norman (Georgetown University) (nasalseptumart) http://www.dartmouth.edu/~humananatomy/figures/chapter_47/47-5.HTM

Illustrations

Superior labial artery illustration
Superior labial artery illustration
Superior labial artery illustration
Superior labial artery illustration
Superior labial artery illustration

Worked examples

Example 1 — a first encounter with Superior labial artery

Start with the simplest possible case. Write down what Superior labial artery 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 Superior labial artery 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 Superior labial artery 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 Superior labial artery

In research
Superior labial artery 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 Superior labial artery 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
Superior labial artery is common in secondary-school and first-year university syllabi. It links to neighbouring topics Arteries of the head and neck, Cardiovascular system stubs, Otorhinolaryngology, so understanding it makes those chapters shorter.
In everyday life
Look for Superior labial artery 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 Superior labial artery in 20 minutes

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

Frequently asked questions

What is Superior labial artery in simple terms?

The superior labial artery (superior labial branch of facial artery) is larger and more egregious than the inferior labial artery. It follows a similar course along the edge of the upper lip, lying between the mucous membrane and the orbicularis oris, and anastomoses with the artery of the opposite…

Why does Superior labial artery 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 Superior labial artery?

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 Superior labial artery.

Tags

  • Arteries of the head and neck
  • Cardiovascular system stubs
  • Otorhinolaryngology

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