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A15 Earthworm Smooth Muscle

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This BSL PRO lesson describes the hardware and software setup necessary to record smooth muscle from earthworm gut, in vitro.

Experimental Objectives

  1. To record the smooth muscle from an isolated segment of earthworm gut.
  2. To measure the response of the smooth muscle during the administration of different drugs.
  3. Observe the effect of temperature changes on the contractility of the smooth muscle.
  4. * Plot log-dose response curves for 5HT or EPI, ACH and ACH in ATRO.

* This objective is covered in the introductory text and recording template for BSL 4 or above only.

Tasks Performed by the Student

Student Prep & Distance Learning

Click the link(s) below for sample data and/or lesson procedure video(s), BSL PRO Lesson procedures (PDF) for human lessons*, and graph template files (*.gtl) for BSL PRO Lessons. If more than one .gtl is available, download the .gtl with the _suffix to match BSL version and hardware.

Lesson Hardware

This lesson requires a Biopac Student Lab (BSL) System and the following hardware. If your BSL System does not include all hardware items, expand your system by selecting required items below. For more details, review the Lesson: L# BSL Lessons - see the Lab Manual or launch BSL; A# and H# BSL PRO Lessons, click the PDF link above to review full setup, recording, and analysis procedures.

Item Name Cart
SS12LA Variable Force Transducer, BSL Add to Cart
HDW100A Force Transducer Tens Adjuster Add to Cart
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