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HISTOLOGY / REFERENCE GALLERY1 / 1 reference
small intestine: labelled anatomical figure. Original source colours and labels retained.
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Villi

Locate villi on this anatomical reference. Read the original plate labels to confirm the view and adjacent structures.

Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.

small intestine: labelled anatomical figure. Original source colours and labels retained.

Image: OpenStax / University of Hawaiʻi adapted teaching figures; original contributors credited at source · Source / original · CC BY 4.0 — figure credits at source

Numbered markers and focused views are Mediveerse learning overlays; the original reference is linked above.

Small intestine

Digestive organs

Small intestine

STRUCTURE & FUNCTION

Understand what you see.

Provides a large absorptive surface for nutrients.

Zoom into the original labels. Practise pointing out each structure, then explain it aloud. Diagrams are teaching references; specimen appearance and slide staining vary.

01 / IDENTIFICATION

How to recognise it.

  1. Mucosal villi project into lumen
  2. Crypts extend toward muscularis mucosae
  3. Enterocytes and goblet cells line surface
02 / KEY STRUCTURES

Point them out.

Tap a number to open its reference, zoom in and locate the structure. Numbers stay the same across views. This key follows landmarks visible in the reference images.

03 / VIVA PRACTICE

Think first. Then reveal.

Say your answer aloud before opening the suggested response.

01How do you identify small intestine?
SUGGESTED ANSWER

Mucosal villi project into lumen. Crypts extend toward muscularis mucosae. Enterocytes and goblet cells line surface.

02How can duodenum and ileum be distinguished?
SUGGESTED ANSWER

Duodenum has submucosal Brunner glands; ileum often has conspicuous aggregated lymphoid nodules, though regional features vary by section.

03Where are Paneth cells located?
SUGGESTED ANSWER

At crypt bases, with eosinophilic secretory granules.

04Which structures should you point out on this reference?
SUGGESTED ANSWER

Villi; Crypts; Lamina propria. Provides a large absorptive surface for nutrients.

Read the references.

Credited anatomical plates, microscopy and university teaching references. Individual image credits appear below the viewer. Historical plates can use older terminology; use the lesson text for current names.