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

Signs of Puberty01:27

Signs of Puberty

1.8K
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
1.8K
Changes in the Appendicular Skeleton with Age01:09

Changes in the Appendicular Skeleton with Age

3.9K
The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
3.9K
Introduction to the Skeletal System01:20

Introduction to the Skeletal System

10.4K
The skeletal system is the central framework of the body, consisting of different connective tissues: bones, cartilage, tendons, and ligaments.
Components of the Skeletal System
Bone, or osseous tissue, is a hard connective tissue that forms an internal support structure for the human body. Bones shield vulnerable organs and soft tissue from external forces. For example, the vertebral bones protect and support the spinal cord.
Cartilage, a semi-rigid connective tissue found in regions such as...
10.4K
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

4.1K
The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
4.1K
Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

12.8K
Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into ...
12.8K
Bone Formation by Endochondral Ossification01:24

Bone Formation by Endochondral Ossification

11.0K
Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...
11.0K

You might also read

Related Articles

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

Sort by
Same author

Variability in moderate-to-vigorous physical activity assessment: Comparing tri-axial accelerometry cut-off points in children.

Sports medicine and health science·2026
Same author

The Mediating Role of Screen-Based Sedentary Behaviors in the Association of Parental Educational Level and BMI with Preschoolers' Ultra-Processed Food Consumption.

Nutrients·2026
Same author

Overweight, Obesity, and Growth Faltering Among Low-Income Children in Brazil.

JAMA network open·2026
Same author

Overweight Declines While Underweight Increases in Portuguese Children Aged 2-6 Years.

Acta paediatrica (Oslo, Norway : 1992)·2025
Same author

Sociodemographic Characteristics Associated With Food-Insecure Households With Preschool and School Children: Findings From the ObesInCrisis Study.

American journal of human biology : the official journal of the Human Biology Council·2025
Same author

Neighborhood Socioeconomic Deprivation and Gender Disparities in Children with Excessive Body Weight in a Southern European Municipality.

Children (Basel, Switzerland)·2025

Related Experiment Video

Updated: Mar 13, 2026

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
07:56

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

Published on: January 29, 2018

18.5K

Testing times: identifying puberty in an identified skeletal sample.

Charlotte Y Henderson1, Cristina Padez1

  • 1a CIAS - Research Centre for Anthropology and Health, Department of Life Sciences , University of Coimbra , Portugal.

Annals of Human Biology
|October 21, 2016
PubMed
Summary

This study tested a new skeletal method to determine puberty onset in ancient remains. Results show females mature faster, with menarche achieved around age 15, offering insights into past adulthood transitions.

Keywords:
MenarchePortugalskeletal development

More Related Videos

Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats
06:38

Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats

Published on: October 13, 2018

16.5K
Culturing and Measuring Fetal and Newborn Murine Long Bones
06:58

Culturing and Measuring Fetal and Newborn Murine Long Bones

Published on: April 26, 2019

8.8K

Related Experiment Videos

Last Updated: Mar 13, 2026

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
07:56

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

Published on: January 29, 2018

18.5K
Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats
06:38

Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats

Published on: October 13, 2018

16.5K
Culturing and Measuring Fetal and Newborn Murine Long Bones
06:58

Culturing and Measuring Fetal and Newborn Murine Long Bones

Published on: April 26, 2019

8.8K

Area of Science:

  • Paleoanthropology
  • Bioarchaeology
  • Human Osteology

Background:

  • Puberty onset in skeletal remains offers insights into social changes linked to adulthood.
  • Skeletal development is a key indicator of biological age and developmental stages.

Purpose of the Study:

  • To present the first skeletal method for identifying puberty onset stages.
  • To test this method on a skeletal sample of known age and cause of death.

Main Methods:

  • Skeletal development associated with puberty was assessed using identified skeletal collections in Coimbra, Portugal.
  • Historical data on menarche onset in Portugal were used to validate the skeletal method.

Main Results:

  • Females exhibit faster skeletal maturation than males.
  • The average age of menarche achievement was determined to be 15 years.
  • Skeletal development showed some degree of asymmetry.

Conclusions:

  • Skeletal asymmetry requires consideration in analyses of incomplete remains.
  • The observed age of menarche aligns with, but is slightly higher than, historical data.
  • Potential ill health in the studied population may have influenced skeletal development and puberty timing.