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

Meristems and Plant Growth02:36

Meristems and Plant Growth

49.8K
Plants grow throughout their lives; this is called indeterminate growth, and it distinguishes plants from most animals. Although certain parts of plants stop growing (e.g., leaves and flowers), others grow continuously—like roots and stems.
49.8K
Primary and Secondary Growth in Roots and Shoots03:02

Primary and Secondary Growth in Roots and Shoots

60.7K
Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.
60.7K
Population Growth00:57

Population Growth

28.8K
Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.
28.8K
Relationship Growth01:27

Relationship Growth

232
Interpersonal relationships progress through stages, beginning with awareness and moving toward mutuality, where emotional connections deepen. While many relationships remain at moderate levels of mutuality, deeper connections form through self-disclosure, trust, and interdependence.Self-DisclosureSelf-disclosure involves revealing personal information, starting with surface-level details and gradually progressing to more intimate content. As trust grows, individuals feel more comfortable...
232
Exponential Growth01:29

Exponential Growth

73
Bacterial populations exhibit exponential growth when conditions such as nutrient availability and temperature are favorable. In this phase, cells reproduce through binary fission, where each cell divides into two identical daughter cells. This process causes the population to double at regular intervals, resulting in a growth rate that is directly proportional to the current number of cells. As the population increases, the number of new cells formed during each generation also grows, creating...
73
Implicit Differentiation01:25

Implicit Differentiation

73
In classical mechanics, motion is often described through relationships between spatial coordinates and time. A car moving along a straight highway with constant acceleration serves as a simple case where velocity is an explicit function of time. This scenario results in a linear equation, enabling straightforward analysis using basic differentiation techniques.In contrast, a satellite in circular orbit follows a path defined by an implicit function. The position of the satellite is constrained...
73

You might also read

Related Articles

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

Sort by
Same author

Remarks on the article of Packard: Julian Huxley, Uca pugnax and the allometric method.

The Journal of experimental biology·2013
Same author

Constant and continuous growth reduction as a possible cause of ageing.

The International journal of developmental biology·2004
Same journal

Dynamics of facial indices from 10 to 20 years of age: a comparison of direct anthropometry and photoanthropometry.

Annals of human biology·2026
Same journal

A comparison of interpupillary distances between Turkish and Azerbaijani populations.

Annals of human biology·2026
Same journal

Association between CHRNA5 polymorphisms and Parkinson's disease in Northern Chinese Han population: a case-control study.

Annals of human biology·2026
Same journal

Nanopore sequencing technology in forensic science: status quo and tendency.

Annals of human biology·2026
Same journal

Body composition phenotyping of obesity in children aged 6-18 years: multi-strategy clustering and interpretable machine learning.

Annals of human biology·2026
Same journal

Associations between growth, maturation and non-contact injury risk in Scottish male academy football: a prospective multi-academy study.

Annals of human biology·2026
See all related articles

Related Experiment Video

Updated: Feb 15, 2026

Differentiation of the SH-SY5Y Human Neuroblastoma Cell Line
08:07

Differentiation of the SH-SY5Y Human Neuroblastoma Cell Line

Published on: February 17, 2016

77.7K

Differential human growth restudied.

Etienne Geraert1

  • 1a Department of Biology , Ghent University , Gent , Belgium.

Annals of Human Biology
|January 11, 2018
PubMed
Summary
This summary is machine-generated.

Human growth patterns, like those in other animals, follow a quadratic relationship between body measurements. This analysis explains why human growth stops and why females are typically shorter than males.

Keywords:
Parabolic curveallometryquadratic equation

More Related Videos

Differentiation Capacity of Human Aortic Perivascular Adipose Progenitor Cells
10:43

Differentiation Capacity of Human Aortic Perivascular Adipose Progenitor Cells

Published on: March 5, 2019

8.4K
Efficient Differentiation of Human Pluripotent Stem Cells into Liver Cells
07:37

Efficient Differentiation of Human Pluripotent Stem Cells into Liver Cells

Published on: June 11, 2019

9.2K

Related Experiment Videos

Last Updated: Feb 15, 2026

Differentiation of the SH-SY5Y Human Neuroblastoma Cell Line
08:07

Differentiation of the SH-SY5Y Human Neuroblastoma Cell Line

Published on: February 17, 2016

77.7K
Differentiation Capacity of Human Aortic Perivascular Adipose Progenitor Cells
10:43

Differentiation Capacity of Human Aortic Perivascular Adipose Progenitor Cells

Published on: March 5, 2019

8.4K
Efficient Differentiation of Human Pluripotent Stem Cells into Liver Cells
07:37

Efficient Differentiation of Human Pluripotent Stem Cells into Liver Cells

Published on: June 11, 2019

9.2K

Area of Science:

  • Human biology
  • Biometrics
  • Differential growth patterns

Background:

  • Differential growth patterns observed in bilateral animals suggest a universal growth model.
  • This model assumes a quadratic relationship between body measurements, visualized as a quadratic parabola.

Purpose of the Study:

  • To investigate if human growth can be analyzed by comparing body measurements.
  • To determine if the relationship between body part growth can be expressed by a quadratic formula to derive significant conclusions.

Main Methods:

  • Utilized an official database containing mean measurements of the Belgian population.
  • Applied quadratic equation analysis to explore relationships between different body measurements.

Main Results:

  • Human length growth is negatively impacted by girth growth, indicating a limit to growth.
  • Girth growth has a more pronounced negative effect on females, contributing to shorter stature.
  • Head growth is negatively influenced by body length growth similarly in both sexes.
  • Some measurements, like nipple distance relative to thoracic girth, showed consistent ratios (∼24%) rather than a quadratic relationship.

Conclusions:

  • The study successfully used differential growth analysis with a quadratic parabola model.
  • The findings provide explanations for the cessation of human growth and the observed height difference between sexes.