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

The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
Arteries and Arterioles01:16

Arteries and Arterioles

Arteries, the vasculature responsible for transporting blood from the heart, possess robust walls capable of enduring the elevated pressures exerted by the heartbeat. Arteries near the heart are especially thick-walled and enriched with elastic fibers across their three tunics, classifying them as elastic or conducting arteries. These arteries, usually with a diameter exceeding 10 mm, are characterized by their ability to dilate in response to the blood pumped from the heart's ventricles and...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

Geriatric patients show significant variation in how their bodies process medications, which can change how effective and safe treatments are. The liver is the primary organ where drug metabolism occurs, involving two main types of chemical reactions: phase I and II. Phase I metabolism is driven by the cytochrome P450 enzyme system, which includes key types such as CYP3A, CYP2D6, and CYP2C9. Research indicates that while aging doesn't notably alter the levels or activity of these enzymes, it...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
Aging01:26

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...

You might also read

Related Articles

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

Sort by
Same author

FDG-PET evaluation of retroperitoneal metastases of testicular cancer before and after chemotherapy.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine·1997
Same author

[Age dependence of arterial functions].

Die Medizinische Welt·1982
See all related articles

Related Experiment Video

Updated: Jul 10, 2026

Using Retinal Imaging to Study Dementia
09:17

Using Retinal Imaging to Study Dementia

Published on: November 7, 2017

Aging and arterial functions.

U T Müller, H R Vosberg

    International Angiology : a Journal of the International Union of Angiology
    |July 1, 1985
    PubMed
    Summary

    Aging alters arterial walls, impacting peripheral arterial hemodynamics. This study investigated age-related changes in blood flow using advanced measurement techniques, considering cardiac function influences.

    Area of Science:

    • Cardiovascular Physiology
    • Gerontology
    • Biomedical Engineering

    Background:

    • Distinguishing physiological aging from pathological aging is challenging.
    • Arterial wall alterations (biochemical, physical, morphological) are age-dependent.
    • Peripheral arterial hemodynamics are crucial indicators of vascular health.

    Purpose of the Study:

    • To investigate the impact of aging on peripheral arterial hemodynamics.
    • To quantify age-related changes in vascular function.
    • To understand the interplay between aging, arterial properties, and blood flow dynamics.

    Main Methods:

    • Utilized electronic oscillography for pulse wave analysis.
    • Employed ultrasonic-Doppler technique for blood flow velocity measurements.

    More Related Videos

    Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues
    08:41

    Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues

    Published on: June 3, 2019

    Isolation and Functional Analysis of Arteriolar Endothelium of Mouse Brain Parenchyma
    06:40

    Isolation and Functional Analysis of Arteriolar Endothelium of Mouse Brain Parenchyma

    Published on: March 11, 2022

    Related Experiment Videos

    Last Updated: Jul 10, 2026

    Using Retinal Imaging to Study Dementia
    09:17

    Using Retinal Imaging to Study Dementia

    Published on: November 7, 2017

    Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues
    08:41

    Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues

    Published on: June 3, 2019

    Isolation and Functional Analysis of Arteriolar Endothelium of Mouse Brain Parenchyma
    06:40

    Isolation and Functional Analysis of Arteriolar Endothelium of Mouse Brain Parenchyma

    Published on: March 11, 2022

  • Applied radioangiography for detailed arterial imaging and assessment.
  • Main Results:

    • Observed significant age-dependent alterations in measured hemodynamic parameters.
    • Demonstrated that peripheral arterial hemodynamics change with advancing age.
    • Highlighted the influence of age-related cardiac function changes on these hemodynamic alterations.

    Conclusions:

    • Peripheral arterial hemodynamics exhibit distinct age-related modifications.
    • Age-related changes in the arterial wall significantly affect blood flow.
    • Cardiac function must be considered when evaluating age-dependent hemodynamic changes.