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

Seedless Vascular Plants03:24

Seedless Vascular Plants

68.0K
Seedless Vascular Plants Were the First Tall Plants on Earth
68.0K
Vascular Spasm01:16

Vascular Spasm

3.8K
The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...
3.8K
Overview of the Vascular System01:20

Overview of the Vascular System

3.6K
The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
3.6K
Vascular Resistance01:20

Vascular Resistance

11.3K
Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
11.3K
Non-vascular Seedless Plants02:26

Non-vascular Seedless Plants

72.5K
The diverse plant life on Earth—consisting of nearly 400,000 species—can be divided into three broad categories based on biological characteristics: nonvascular, seedless vascular, and seed plants.
72.5K
Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

16.9K
The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
16.9K

You might also read

Related Articles

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

Sort by
Same author

Persistent CRP Elevation at 4 Weeks Is Associated with Delayed Union After Polytrauma: An Exploratory Retrospective Cohort Study.

Diagnostics (Basel, Switzerland)·2026
Same author

Predictors of In-Hospital Mortality in Traumatic Acute Subdural Hematoma: The Role of Admission International Normalized Ratio, Imaging Parameters and Neurological Severity.

Biomedicines·2026
Same author

Comparison of NLR and CRP in Identifying Organ Dysfunction-Based Severe Presentation of Acute Cholangitis in Patients with Choledocholithiasis: A Single-Center Retrospective Study.

Medicina (Kaunas, Lithuania)·2026
Same authorSame journal

Visual Improvement and Optical Quality Changes After Keratoplasty in Macular Corneal Dystrophy in Romania.

Romanian journal of ophthalmology·2026
Same author

Rare Association of Bilateral Central Salzmann Nodular Degeneration and Fuchs Endothelial Dystrophy Managed by DMEK: A Case Report.

Life (Basel, Switzerland)·2026
Same author

Genotype-Phenotype Correlations in Pediatric Hereditary Pancreatitis: Evidence from a Romanian Retrospective Cohort.

Journal of clinical medicine·2026
Same journal

Neurofibromatosis Type 1 with Plexiform Neurofibroma: A Novel Mutation Uncovered.

Romanian journal of ophthalmology·2026
Same journal

Isolated Third Nerve Palsy and Alternate Hemiparesis in Brain Stem Stroke: A Case Report.

Romanian journal of ophthalmology·2026
Same journal

Innovations in Corneal Transplantation: The Role of Eye Banks, Donor Corneas, and Artificial Alternatives in Combating Worldwide Corneal Blindness.

Romanian journal of ophthalmology·2026
Same journal

Neural Network - Supported Prognostic Assessment of Apoptotic and Inflammatory Markers in Neovascular Glaucoma.

Romanian journal of ophthalmology·2026
Same journal

Fat Infiltration in Eyelids: An Uncommon Clinical Case with Long-Term Monitoring.

Romanian journal of ophthalmology·2026
See all related articles

Related Experiment Video

Updated: Feb 14, 2026

Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography
07:23

Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography

Published on: March 26, 2020

8.7K

Update on retinal vascular caliber.

Alina Gabriela Dumitrescu1,2, Liliana Voinea3, Ioana Anca Badarau2

  • 1Coltea Clinical Hospital, Bucharest, Romania.

Romanian Journal of Ophthalmology
|February 17, 2018
PubMed
Summary
This summary is machine-generated.

Directly viewable retinal vessels reflect systemic health, offering insights into disease risks. Analyzing retinal vessel caliber aids in early detection and management of various systemic conditions.

Keywords:
diabetesfundus photographyhypertensionoptical coherence tomographyretinal vascular calibervessel diameter

More Related Videos

3D Visualization of Retinal Vascular Pericytes in Mice by Immunostaining
09:22

3D Visualization of Retinal Vascular Pericytes in Mice by Immunostaining

Published on: November 1, 2024

1.3K
Using Retinal Imaging to Study Dementia
09:17

Using Retinal Imaging to Study Dementia

Published on: November 6, 2017

22.3K

Related Experiment Videos

Last Updated: Feb 14, 2026

Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography
07:23

Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography

Published on: March 26, 2020

8.7K
3D Visualization of Retinal Vascular Pericytes in Mice by Immunostaining
09:22

3D Visualization of Retinal Vascular Pericytes in Mice by Immunostaining

Published on: November 1, 2024

1.3K
Using Retinal Imaging to Study Dementia
09:17

Using Retinal Imaging to Study Dementia

Published on: November 6, 2017

22.3K

Area of Science:

  • Ophthalmology and Vascular Biology

Background:

  • Retinal vessels are unique in their direct, non-invasive, in vivo visualization.
  • Retinal vessel caliber is influenced by physiological factors (age, sex, blood pressure, glucose, BMI) and pathological conditions (atherosclerosis, dyslipidemia, smoking).
  • Existing research links retinal vasculature to systemic diseases like hypertension, diabetes, stroke, and cardiovascular/renal conditions.

Purpose of the Study:

  • To highlight the significance of retinal vessel assessment in understanding systemic disease pathophysiology.
  • To emphasize the clinical utility of retinal vasculature as a screening tool for predicting disease risk.

Main Methods:

  • Review of existing population studies and clinical data.
  • Analysis of associations between retinal vessel characteristics and systemic health determinants.
  • Evaluation of retinal vessel assessment as a diagnostic and predictive method.

Main Results:

  • Retinal vessel caliber is demonstrably associated with numerous physiological and pathological factors.
  • Strong correlations exist between retinal vasculature and subclinical/clinical manifestations of systemic diseases.
  • Retinal vessel assessment provides valuable pathophysiological insights and predictive information.

Conclusions:

  • Assessing retinal vessels offers a non-invasive window into systemic health.
  • Retinal vasculature analysis is a powerful tool for disease screening and risk prediction in clinical practice.