Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Force Classification01:22

Force Classification

2.5K
Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in the physical world. Forces can be classified based on their origin, type, and direction of action.
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
2.5K
Classification of Neurotransmitters01:30

Classification of Neurotransmitters

5.4K
Neurotransmitters play a crucial role in the communication between neurons in the autonomic nervous system. Neurons in the autonomic nervous system can be cholinergic or adrenergic depending on the neurotransmitters synthesized. Cholinergic neurons use acetylcholine as their primary neurotransmitter. This includes all the preganglionic fibers of the sympathetic and pre- and postganglionic fibers of the parasympathetic nervous systems. In addition, neurons of the somatic nervous system also use...
5.4K
Classification of Leukocytes01:30

Classification of Leukocytes

6.2K
Leukocytes are classified into two groups based on the presence or absence of cytoplasmic granules. Granular leukocytes, which contain granules, belong to the myeloid lineage and are divided into three subtypes: neutrophils, eosinophils, and basophils. These cells are roughly spherical and characterized by the granules in their cytoplasm.
Neutrophils are the most abundant type of granular leukocytes, comprising 50-70% of all leukocytes. They feature small, evenly distributed granules and a...
6.2K
Classification of Illness01:17

Classification of Illness

8.9K
The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe...
8.9K
Classification of Bones01:18

Classification of Bones

10.2K
The bones of the human skeletal system are of varied shapes, sizes, and functions. They can be classified based on their shape and function into four major classes: long bones, short bones, flat bones, and irregular bones. Some classifications include a fifth type, the sesamoid bones, as a separate class, whereas others categorize them under short bones.
Long and Short Bones
The appendicular skeleton, particularly the upper and lower limbs, is primarily made of long and short bones. The...
10.2K
Seizures: Classification01:13

Seizures: Classification

1.7K
Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
1.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

… but not another.

Immunology today·2014
Same author

Subsurface cobalt-60 migration from a low-level waste disposal site.

Environmental science & technology·2012
Same author

A method of classifying employees for selective placement.

Transactions - American Academy of Ophthalmology and Otolaryngology. American Academy of Ophthalmology and Otolaryngology·2010
Same author

Ocular causes of headache.

Journal - Michigan State Medical Society·2010
Same author

Progressive Familial Hypertrophic Neuritis.

British medical journal·2010
Same author

Pulmonary Tuberculosis in Recruits. Experiences in a Survey by the Microradiographic Method.

British medical journal·2010

Related Experiment Video

Updated: Feb 16, 2026

Extraction of Hemocytes from Drosophila melanogaster Larvae for Microbial Infection and Analysis
08:54

Extraction of Hemocytes from Drosophila melanogaster Larvae for Microbial Infection and Analysis

Published on: May 24, 2018

12.6K

Classification and Characterization of Hemocytes in Styela clava.

T Sawada, J Zhang, E L Cooper

    The Biological Bulletin
    |January 5, 2018
    PubMed
    Summary

    This study classifies tunicate hemocytes into four viable cell types: eosinophilic granulocytes, basophilic granulocytes, hyaline cells, and lymphocyte-like cells. This provides clear identification methods for immune defense research.

    Area of Science:

    • Marine biology
    • Immunology
    • Cell biology

    Background:

    • Hemocytes are crucial for immune responses in tunicates.
    • Previous classifications of tunicate hemocytes lacked clarity and consistency.
    • Accurate identification of hemocyte types is essential for understanding immune functions.

    Purpose of the Study:

    • To classify viable hemocytes of the common tunicate Styela clava.
    • To correlate findings from electron microscopy and light microscopy.
    • To provide clear identification methods for hemocytes.

    Main Methods:

    • Observation of viable hemocytes using light microscopy.
    • Staining with neutral red to differentiate cell types.
    • Electron microscopy to identify specific cellular structures.

    More Related Videos

    Methods to Examine the Lymph Gland and Hemocytes in Drosophila Larvae
    11:49

    Methods to Examine the Lymph Gland and Hemocytes in Drosophila Larvae

    Published on: November 28, 2016

    13.5K
    A Toxicological and Ecotoxicological Assay Based on Mussel (Mytilus galloprovincialis) Hemocytes Motility
    07:28

    A Toxicological and Ecotoxicological Assay Based on Mussel (Mytilus galloprovincialis) Hemocytes Motility

    Published on: December 13, 2024

    923

    Related Experiment Videos

    Last Updated: Feb 16, 2026

    Extraction of Hemocytes from Drosophila melanogaster Larvae for Microbial Infection and Analysis
    08:54

    Extraction of Hemocytes from Drosophila melanogaster Larvae for Microbial Infection and Analysis

    Published on: May 24, 2018

    12.6K
    Methods to Examine the Lymph Gland and Hemocytes in Drosophila Larvae
    11:49

    Methods to Examine the Lymph Gland and Hemocytes in Drosophila Larvae

    Published on: November 28, 2016

    13.5K
    A Toxicological and Ecotoxicological Assay Based on Mussel (Mytilus galloprovincialis) Hemocytes Motility
    07:28

    A Toxicological and Ecotoxicological Assay Based on Mussel (Mytilus galloprovincialis) Hemocytes Motility

    Published on: December 13, 2024

    923
  • In vitro assays to assess phagocytic activity.

    • Main Results:

    • Identified four viable hemocyte types: eosinophilic granulocytes, basophilic granulocytes, hyaline cells, and lymphocyte-like cells.
    • Eosinophilic granulocytes and hyaline cells demonstrated phagocytosis of yeast particles.
    • Established correlations between light and electron microscopy observations.
    • Provided distinct morphological descriptions for each hemocyte type.

    Conclusions:

    • The proposed classification simplifies hemocyte identification in Styela clava.
    • This classification aids in distinguishing viable hemocytes using simple methods.
    • Clearer hemocyte descriptions reduce controversy in assigning immune defense functions.