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Kidney
Spotter answer: Kidney cortex and medulla
Clear field
Kidney showing cortex and medulla at low power. Adjust the focus1.0×
- 1Cortex — Shows a dense, convoluted texture typical of the cortex.
- 2Medulla — Shows parallel tubules, typical of the medulla.
Before you name anything
Alright, let's take a deep breath and start from the beginning. When you first look at this slide, drop to the lowest power and take in the overall architecture. Notice the distinct areas: one with a dense, granular appearance and another with more parallel structures. This tells you that you’re looking at both the cortex and medulla of the kidney. The cortex is where you'd expect to find glomeruli, those round, dense structures, while the medulla will have the straight, parallel tubules. Students often rush in and try to identify individual cells without understanding the broader layout, which can lead to confusion. Start with the big picture, identify the cortex by its granular texture, and the medulla by the absence of this texture and the presence of straight tubules. This will guide you in correctly identifying the structures and earning those crucial marks.
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