Head Tail Morphology

Head-tail morphology describes how an organism or cell is organized into distinct head and tail regions, a structural pattern that often supports sensing, movement, or interaction with its environment. In sperm cells, the head contains the nucleus and acrosome, while the tail forms a flagellum whose coordinated bending, driven by the axoneme and dynein motor proteins, propels the cell through fluid. Examining head shape, tail structure, and their alignment helps researchers assess development, motility, and functional integrity. This morphological analysis is important in reproductive biology, developmental research, microscopy-based classification, and the study of defects that can impair fertilization.

Head Tail Morphology - Related Videos

Research

JoVE Journal - Neuroscience

The Tail Suspension Test

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Cited by 534 •

2012

The tail-suspension test is validated as an experimental procedure to assess antidepressant efficacy of drug treatments in mice. Mice are suspended by their tails for six minutes and escape-related behaviors are assessed. We describe procedures used in conducting the tail suspension test.

Murine Tail Lymphedema Model: An In Vivo Technique to Generate Sustained Lymphedema in Murine Tail

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2025

This video describes an in vivo technique to generate murine tail lymphedema, an abnormal fluid accumulation in the interstitial tissue space leading to swelling in the tail. The model is applied to study mechanisms and therapy for lymphedema.

Isolation of Genomic DNA from Mouse Tails

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Cited by 23 •

2007

A Repetitive Concussive Head Injury Model in Mice

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Cited by 5 •

2016

Concussion presents the most common type of traumatic brain injury. Therefore, a repetitive concussive animal model, which replicates the important features of an injury in patients, may provide a means to study concussion in a rigorous, controlled, and efficient manner.

Echocardiographic and Histological Examination of Cardiac Morphology in the Mouse

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Cited by 29 •

2017

Echocardiographic examination is frequently used in mice. Expensive high-resolution ultrasound devices have been developed for this purpose. This protocol describes an affordable echocardiographic procedure combined with histological morphometric analyses to determine cardiac morphology.

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