science

Pterygomaxillary fissure

Pterygomaxillary fissure 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 Pterygomaxillary fissure rather than just read about it. In short: The pterygomaxillary fissure is a fissure of the human skull. It is vertical, and descends at right angles from the medial end of the inferior orbital fissure.

Key takeaways

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

Reference excerpt

The pterygomaxillary fissure is a fissure of the human skull. It is vertical, and descends at right angles from the medial end of the inferior orbital fissure. It is a triangular interval, formed by the divergence of the maxilla from the pterygoid process of the sphenoid. It connects the infratemporal with the pterygopalatine fossa, and transmits the terminal part of the maxillary artery. The posterior superior alveolar nerve of the maxillary nerve goes from the pterygopalatine fossa to the infratemporal region via this fissure. The pterygopalatine plates are separated laterally from the posterior surface of the body of the maxilla by the pterygomaxillary fissure. In older texts, the pterygomaxillary fissure is sometimes called the pterygopalatine fissure.

References This article incorporates text in the public domain from page 185 of the 20th edition of Gray's Anatomy (1918)

External links Anatomy figure: 27:02-01 at Human Anatomy Online, SUNY Downstate Medical Center UNC.edu

Illustrations

Worked examples

Example 1 — a first encounter with Pterygomaxillary fissure

Start with the simplest possible case. Write down what Pterygomaxillary fissure 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 Pterygomaxillary fissure 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 Pterygomaxillary fissure 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 Pterygomaxillary fissure

In research: Pterygomaxillary fissure 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 Pterygomaxillary fissure 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: Pterygomaxillary fissure is common in secondary-school and first-year university syllabi. It links to neighbouring topics Musculoskeletal system stubs, Skull, so understanding it makes those chapters shorter.
In everyday life: Look for Pterygomaxillary fissure 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 Pterygomaxillary fissure in 20 minutes

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

Frequently asked questions

What is Pterygomaxillary fissure in simple terms?

The pterygomaxillary fissure is a fissure of the human skull. It is vertical, and descends at right angles from the medial end of the inferior orbital fissure.

Why does Pterygomaxillary fissure 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 Pterygomaxillary fissure?

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 Pterygomaxillary fissure.