Related Experiment Video

Updated: Apr 21, 2026

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

15.2K

Assessing biological maturity: chronological age and the pubertal development scale predict free testosterone in

Elizabeth E Hibberd, Anthony C Hackney, Amy R Lane

    Journal of Pediatric Endocrinology & Metabolism : JPEM
    |October 22, 2014
    PubMed
    Abstract

    More Related Videos

    Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts07:56

    Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

    Published on: January 29, 2018

    17.5K
    A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents06:15

    A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

    Published on: July 10, 2017

    15.8K

    Related Concept Videos

    Signs of Puberty01:27

    Signs of Puberty

    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)...
    2.1K
    Testosterone: Functions and Regulation01:26

    Testosterone: Functions and Regulation

    The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
    3.2K
    Psychosexual Theory of Development01:14

    Psychosexual Theory of Development

    Sigmund Freud's psychosexual theory of development suggests that early childhood experiences significantly shape personality and behavior. Freud proposed that development is discontinuous, occurring in five distinct stages, each defined by a focus on different erogenous zones. He believed that failure to resolve the conflicts specific to each stage successfully could result in fixation, potentially influencing behavior as adults.
    The Five Stages of Psychosexual Development
    Freud's psychosexual...
    3.6K
    Psychosexual Stages of Personality: Latency01:16

    Psychosexual Stages of Personality: Latency

    Following the phallic stage in Freud's theory of psychosexual development, children enter a phase called the latency period, which lasts from approximately six to twelve years of age. Unlike earlier stages, where sexual impulses played a central role, Freud believed these impulses are repressed during the latency period, becoming part of the unconscious. This stage is often described as a time of psychological calm after the turbulence of the phallic stage.
    The latency period is not...
    1.4K
    Psychosexual Stages of Personality: Genital01:23

    Psychosexual Stages of Personality: Genital

    The genital stage is the final phase of Sigmund Freud's theory of psychosexual development, beginning at puberty, around age 12. During this stage, sexual energy shifts from self-focused interests to external individuals, marking the development of mature adult sexuality. Freud saw this phase as a time of sexual reawakening, with desires directed toward others outside the family. A healthy transition into this stage, according to Freud, signifies the emergence of two key aspects of adult...
    2.1K
    Menopause01:28

    Menopause

    Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
    5.0K