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Animal Physiology

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Lt

Course access via the web - in class,
in the lab and at home

Step by step student lab protocols

Basic concepts & analysis focus

Curriculum based modules

 
Lt LabStation

Course access in lab setting only

Step by step student
lab protocols

Basic concepts & analysis focus

Curriculum based modules

 
LabChart
LabChart

Authentic lab-based data
recording experience

Advanced experimental protocols

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PV Loop and Spike Sorting

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Content

Animal Physiology with LabChart

With LabChart , students use protocols to investigate basic and applied concepts in neurophysiology, cardiac and muscle physiology using common insect, annelid, amphibian and mammalian preparations.

  • Intracellular action potentials

    Intracellular action potentials
  • Earthworm Action Potentials

    Earthworm Action Potentials

Download Collection and Lessons

Click on a lesson name for a synopsis and equipment list or scroll down to see all hardware,
including pre-made systems and kits for your subject area.

+Animal Metabolism

Use a Gas Analyzer and small chamber to measure an animal's metabolic rate using indirect calorimetry.

This lesson requires one of the PowerLabs below

+Efish JAR

Measure the response of a weakly electric fish, the Black Ghost Knifefish, to a frequency which simulates the introduction of a second fish.

This lesson requires one of the PowerLabs below

+Frog Heart

Dissect a double-pithed frog and set up ECG analysis of frog heart. Manipulate temperature, tension, and pharmacological parameters to observe their effect on the ECG. Learn about Starling's law of the heart, refractory period and vagal escape.

This lesson requires one of the PowerLabs below

+Frog Skeletal Muscle

Investigate the physiological properties of skeletal muscle using the isolated amphibian gastrocnemius. Examine the properties of the single twitch, graded response and relationship between muscle length and tension as well as tetanus and muscle fatigue.

This lesson requires one of the PowerLabs below

+Rat Cardiovascular Physiology Analysis

Playback and analyze pre-recorded data from experiments involving cardiovascular manipulation of rats. Gain an understanding of the neural control of cardiovascular function.

+Arthropod ERG

Learn about the fundamental properties of electroretinograms of various arthropods, such as field-caught insects and spiders. Record the visual responses of an arthropod to various pulse durations and wavelengths of light.

This lesson requires one of the PowerLabs below

Products required for this lesson

+Artificial Axon Model

Build an artificial neuron to demonstrate and explain passive nerve properties. Understand shapes of extracellular signals recorded by EMG or action potentials in frog sciatic nerve.

This lesson requires one of the PowerLabs below

+Cockroach Sensory Nerve

Stimulate cockroach sensory nerve spines and record evoked action potentials. Compare spontaneous and evoked action potentials. Assess the influence of the angle of deflection on action potential size and frequency. Demonstrate adaptation of sensory neurons during prolonged stimulation.

This lesson requires one of the PowerLabs below

+Cockroach Ventral Nerve Cord

Record extracellular action potentials from the ventral nerve cord of a large cockroach. Apply various different stimuli to the cerci and observe the electrical response. Measure the travel-time of an action potential and calculate nerve conduction velocity.

This lesson requires one of the PowerLabs below

+Crayfish Extracellular Nerve Recording

Explore the basic principles of extracellular nerve recording. Dissect a crayfish tail to set up stretch receptor and motor nerve analysis.

This lesson requires one of the PowerLabs below

Products required for this lesson

+Crayfish Postsynaptic Potential Recording

Investigate neuromuscular interaction by simultaneously recording the extracellular activity from a muscle fiber and it's innervating nerve.

This lesson requires one of the PowerLabs below

+Earthworm Action Potentials

Obtain extracellular recordings of action potentials from an anesthetized earthworm (Lumbricus spp). Complete five exercises to examine and demonstrate threshold potential, recruitment, all-or-none response, refractory period, bidrectionality of impulse and conduction velocity of the nerve.

This lesson requires one of the PowerLabs below

+Earthworm Smooth Muscle

Observe the pattern of baseline movements in an organ bath preparation of isolated earthworm gut. Apply various manipulations and discover the effects of neurotransmitters, extracellular ions and temperature on contraction rate and strength.

This lesson requires one of the PowerLabs below

Products required for this lesson

+Frog Nerve and Muscle

Construct and calibrate a nerve bath setup in order to measure compound action potentials from an isolated frog sciatic nerve. Explore basic nerve physiological properties such as threshold, refractory period and conduction velocity.

This lesson requires one of the PowerLabs below

+Frog Nerve Compound Action Potentials

Mount a dissected frog gastrocnemius muscle and sciatic nerve to investigate the physiological relationship between the two. Research the principles of twitch recruitment, muscle fatigue and the neuromuscular junction using the muscle relaxant, tubocurarine.

This lesson requires one of the PowerLabs below

Products required for this lesson

+Intracellular Recordings

Explore the basic principles of intracellular recording from several excitable cell types including a muscle fiber, neuron and alga cell.

This lesson requires one of the PowerLabs below

+Introduction to LabChart

Learn the basics of the PowerLab Data Acquisition System and LabChart software.

Products required for this lesson

Software Platform

Enabling Discovery

LabChart data analysis software creates a platform for all of your recording devices to work together, allowing you to acquire biological signals from multiple sources simultaneously and apply advanced calculations and plots as your experiment unfolds.

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