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Study Guidance for Human Anatomy and Physiology I Exam I

스터디 가이드 - 스마트 노트

자료에 맞춘 맞춤형 노트, 핵심 정의, 예시, 맥락을 확장해 제공합니다.

Q41. What is the difference in these diagrams?

Background

Topic: Histology and Tissue Sections

This question tests your understanding of how tissues are visualized in histology, specifically the difference between longitudinal and transverse (cross) sections of the same tissue.

Key Terms:

  • Longitudinal section: A cut made along the length of a structure, showing the tissue from end to end.

  • Transverse (cross) section: A cut made perpendicular to the length, showing a cross-section of the tissue.

  • Cuboidal epithelium: A type of epithelial tissue with cube-shaped cells, often lining kidney tubules.

Step-by-Step Guidance

  1. Examine the first diagram (image_1): Notice the elongated shape and the arrangement of cells along the length of the tubule.

  2. Examine the second diagram (image_2): Observe the circular or oval shapes, which indicate a cross-sectional view of multiple tubules.

  3. Recall that a longitudinal section shows the tissue cut along its length, while a transverse section shows the tissue cut across its width.

  4. Compare the arrangement of cells in both diagrams to determine which is longitudinal and which is transverse.

Kidney tubule longitudinal section showing cuboidal epithelium Kidney tubules cross sections showing cuboidal epithelium

Try solving on your own before revealing the answer!

Final Answer:

A) Diagram X is a longitudinal section of a tissue, diagram Y is a transverse section of the same tissue.

The first image (X) shows the tubule cut along its length, while the second image (Y) shows multiple tubules cut across their width. This difference in sectioning reveals distinct views of the same tissue type.

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