Related Experiment Video

Updated: Aug 8, 2026

Ovariectomy and 17β-estradiol Replacement in Rats and Mice: A Visual Demonstration
06:51

Ovariectomy and 17β-estradiol Replacement in Rats and Mice: A Visual Demonstration

Published on: June 7, 2012

Norethisterone oenanthate as an injectable contraceptive: use of a modified dose schedule

O F Giwa-Osagie, J Savage, J R Newton

    British Medical Journal
    |June 24, 1978
    PubMed

    More Related Videos

    Unraveling the Role of Discrete Areas of the Rat Brain in the Regulation of Ovulation through Reversible Inactivation by Tetrodotoxin Microinjections11:04

    Unraveling the Role of Discrete Areas of the Rat Brain in the Regulation of Ovulation through Reversible Inactivation by Tetrodotoxin Microinjections

    Published on: September 3, 2020

    Methods for Studying Uterine Contributions to Pregnancy Establishment in an Ovariectomized Mouse Model06:49

    Methods for Studying Uterine Contributions to Pregnancy Establishment in an Ovariectomized Mouse Model

    Published on: April 7, 2023

    Related Concept Videos

    Dosage Regimen: Fixed Dose01:01

    Dosage Regimen: Fixed Dose

    Fixed-dose regimens are a common approach to administer drugs to achieve and maintain desired levels of the drug in the body. In this dosing strategy, a specific amount of medication is given at regular intervals, often multiple times a day, to ensure a consistent drug concentration in the bloodstream.
    Fixed-dose regimens can be used for various routes of administration, including intravenous (IV) injections and oral medications. For IV administration, a predetermined amount of the drug is...
    Birth Control Methods01:22

    Birth Control Methods

    Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although vasectomy...
    Drug Delivery: Miscellaneous Routes01:22

    Drug Delivery: Miscellaneous Routes

    Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection,  and rectal administration provide localized effects with reduced toxicity.
    Oral inhalation and nasal sprays swiftly transfer drugs across the respiratory epithelium's mucosal layer. Inhaled glucocorticoids and bronchodilators directly target lung conditions such as asthma, while fluticasone nasal spray mitigates allergic rhinitis.
    Transdermal patches transport drugs through the...
    Dosage Regimen: Multiple Oral Dosage01:25

    Dosage Regimen: Multiple Oral Dosage

    Understanding how a drug's concentration fluctuates within the body over time is crucial in pharmacokinetics, particularly with multiple oral doses. A graphical representation of multiple oral dosages provides insight into these dynamics. Typical accumulation curves of a drug's concentration in the body reveal a sawtooth pattern, indicating periodic peaks and troughs correlating with each dose administration and the drug's subsequent elimination.The plasma concentration at any time during an...
    Drug Accumulation During Multiple Dosing: Repetitive IV Injections01:21

    Drug Accumulation During Multiple Dosing: Repetitive IV Injections

    Calculating drug dosage and accumulation in multiple-dose regimens is crucial for achieving therapeutic efficacy while avoiding toxicity. This involves determining the plasma drug concentrations over time to optimize dosing schedules. The principle of superposition is fundamental in this process, allowing for the prediction of drug concentration in plasma following multiple doses based on single-dose data.The principle of superposition asserts that the plasma concentration-time curves from...
    Intrauterine Drug Delivery Systems01:21

    Intrauterine Drug Delivery Systems

    Controlled-release systems for intravaginal and intrauterine drug delivery have been developed primarily for the administration of contraceptive steroid hormones. These delivery routes circumvent first-pass hepatic metabolism, thereby enhancing bioavailability and allowing for reduced systemic dosages compared to oral administration. Such approaches contribute to improved therapeutic efficacy and patient compliance, particularly in long-term contraceptive regimens.Intravaginal Drug Delivery...