Related Experiment Video
Updated: Aug 12, 2026

The Power of Interstimulus Interval for the Assessment of Temporal Processing in Rodents
Published on: April 19, 2019
Statistical properties of the temporal and spatial distribution of interperistaltic intervals and their relationship
Abstract:
A straightforward method is outlined for the presentation of the temporal and spatial characteristics of interperistaltic intervals obtained from the canine ureter. The fundamental statistical property of ureteral peristaltic contractions is demonstrated to be multimodal. This is characterized by a basic rate and whole number multiples of that rate. The methods for identifying the relationship of peristalsis with the pacemaker and respiratory rate is outlined.
Related Concept Videos
Pulse rhythm
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Respiratory Volumes and Capacities I
Assessment of Ventilation II: Respiratory Depth and Rhythm
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Electrophysiology of Normal Cardiac Rhythm
Conduction System of the Heart
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
Dysrhythmias III: Characteristics of Dysrhythmias

