Related Experiment Video

Updated: Feb 14, 2026

Rat Model of Photochemically-Induced Posterior Ischemic Optic Neuropathy
14:54

Rat Model of Photochemically-Induced Posterior Ischemic Optic Neuropathy

Published on: November 29, 2015

9.1K

Survey on retrobulbar blood flow in glaucomatous optic neuropathy (normotensive and hypertensive)

Marineta Magureanu1, Adriana Stanila2, Liviu Valentin Bunescu1

  • 1Ghencea Medical Center Bucharest, Romania.

Romanian Journal of Ophthalmology
|February 17, 2018
PubMed

Keywords:
color Doppler echographyhypertensive glaucomatous optic neuropathynormotensive glaucomatous optic neuropathyretrobulbar blood flow

More Related Videos

The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy rNAION06:49

The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy rNAION

Published on: November 20, 2016

9.5K
Nerve Ultrasound Protocol to Detect Dysimmune Neuropathies08:56

Nerve Ultrasound Protocol to Detect Dysimmune Neuropathies

Published on: October 7, 2021

3.4K

Related Concept Videos

Surveys02:16

Surveys

Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
17.1K
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
4.5K
Blood Flow01:29

Blood Flow

Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
76.4K
Introduction to Surveying, Plane Surveying and Geodetic Surveys01:27

Introduction to Surveying, Plane Surveying and Geodetic Surveys

Surveying is the art and science of mapping the earth's surface. It involves measuring distances, angles in horizontal or vertical directions, and levels to understand the shape and size of land features. Surveying techniques are essential for various tasks, such as identifying the levels of a land area with reference to a specific point, and mapping undulations and water bodies.There are two main types of surveying: plane surveys and geodetic surveys. Plane surveys assume the earth is flat,...
1.1K
Autoregulation of Blood Flow01:17

Autoregulation of Blood Flow

Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
8.2K
Applications of Integration to Find Blood Flow01:27

Applications of Integration to Find Blood Flow

Blood flow through a cylindrical blood vessel can be mathematically described using the principles of laminar flow, a regime in which fluid moves smoothly in parallel layers. In this model, the velocity of the blood is not uniform across the cross-section of the vessel; rather, it varies with the radial distance from the center. The maximum velocity occurs along the central axis, decreasing progressively toward the vessel walls, where it reaches zero due to viscous drag.Approximating Blood...
64