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

66.4K
Seedless Vascular Plants Were the First Tall Plants on Earth
66.4K
Vascular Resistance01:20

Vascular Resistance

9.5K
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...
9.5K
Overview of the Vascular System01:20

Overview of the Vascular System

3.3K
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...
3.3K
Non-vascular Seedless Plants02:26

Non-vascular Seedless Plants

70.7K
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.
70.7K
Vascular Spasm01:16

Vascular Spasm

3.1K
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...
3.1K
Xylem and Transpiration-driven Transport of Resources02:03

Xylem and Transpiration-driven Transport of Resources

26.0K
The xylem of vascular plants distributes water and dissolved minerals that are taken up by the roots to the rest of the plant. The cells that transport xylem sap are dead upon maturity, and the movement of xylem sap is a passive process.
26.0K

You might also read

Related Articles

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

Sort by
Same author

Opening the black box: in situ imaging of arbuscular mycorrhizal fungal structures in soil using synchrotron-based micro-CT.

The New phytologist·2026
Same author

Leaf Size in Conifers: Global Associations With Climate and Evolutionary History.

Global change biology·2026
Same author

Pectin removal in Acer rubrum increases pit membrane compliance and embolism propagation.

Plant physiology·2026
Same author

Resistance to embolism is critical for post-drought recovery in resprouting Ceratonia siliqua.

Plant physiology·2026
Same author

Separating intrinsic from extrinsic stomatal control in different soils.

The New phytologist·2026
Same author

Partial coordination of leaf water relations with the leaf economics spectrum across diverse forest types.

Plant physiology·2026

Related Experiment Video

Updated: Dec 26, 2025

Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature
11:49

Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature

Published on: April 5, 2013

21.5K

Advanced vascular function discovered in a widespread moss.

T J Brodribb1, M Carriquí2,3, S Delzon4

  • 1School of Natural Sciences, University of Tasmania, Hobart, Tasmania, Australia. timothyb@utas.edu.au.

Nature Plants
|March 15, 2020
PubMed
Summary
This summary is machine-generated.

The tallest living bryophytes, Polytrichum commune, possess advanced vascular systems with functional parallels to higher plants, enabling water transport under tension. Their leaves regulate transpiration, allowing photosynthesis despite inefficient water use.

More Related Videos

Development of Microfluidic Devices to Study the Elongation Capability of Tip-growing Plant Cells in Extremely Small Spaces
07:01

Development of Microfluidic Devices to Study the Elongation Capability of Tip-growing Plant Cells in Extremely Small Spaces

Published on: May 22, 2018

7.7K
Precision Ultrasound-guided Stem Cell Delivery for Vascular Repair in Aortic Diseases
04:59

Precision Ultrasound-guided Stem Cell Delivery for Vascular Repair in Aortic Diseases

Published on: June 20, 2025

698

Related Experiment Videos

Last Updated: Dec 26, 2025

Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature
11:49

Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature

Published on: April 5, 2013

21.5K
Development of Microfluidic Devices to Study the Elongation Capability of Tip-growing Plant Cells in Extremely Small Spaces
07:01

Development of Microfluidic Devices to Study the Elongation Capability of Tip-growing Plant Cells in Extremely Small Spaces

Published on: May 22, 2018

7.7K
Precision Ultrasound-guided Stem Cell Delivery for Vascular Repair in Aortic Diseases
04:59

Precision Ultrasound-guided Stem Cell Delivery for Vascular Repair in Aortic Diseases

Published on: June 20, 2025

698

Area of Science:

  • Plant Biology
  • Evolutionary Biology
  • Physiology

Background:

  • Terrestrial plant evolution transformed Earth, with vascular systems enabling upward growth.
  • The Devonian period saw a shift from non-vascular to vascular plants, crucial for water transport.
  • Vascular systems function under significant water tension, a key evolutionary innovation.

Purpose of the Study:

  • To investigate vascular function in Polytrichum commune, a widespread bryophyte.
  • To compare the vascular system of Polytrichum commune with that of vascular plants.
  • To understand the role of stomatal regulation in bryophyte water use and photosynthesis.

Main Methods:

  • Analysis of vascular conduit mechanics in Polytrichum commune.
  • Measurement of water transport under tension.
  • Investigation of leaf transpiration regulation and gas exchange.
  • Assessment of water use efficiency in Polytrichum leaves.

Main Results:

  • Polytrichum commune exhibits vascular conduits that resist buckling under tension.
  • Leaves of Polytrichum commune regulate transpiration, preventing cavitation.
  • Despite advanced vascular function, Polytrichum leaves show inefficient water use.
  • Stomatal regulation is crucial for photosynthesis in tall bryophytes.

Conclusions:

  • Bryophyte vascular systems share functional similarities with those of vascular plants.
  • Stomatal evolution was critical for enabling photosynthesis in terrestrial environments.
  • Polytrichum commune provides a model for understanding early vascular plant evolution.