Friday, April 19, 2024

Tag Archives: usmle

Calcium Homeostasis: Regulation & Maintenance

Extracellular calcium is transported throughout the body via the blood vessels. Two primary factors are responsible for stabilizing blood calcium levels: the parathyroid hormone, in short PTH, which forms in the parathyroid glands, and vitamin D, which is synthesized in the liver and skin and converted into its active form, calcitriol, in the kidney. A third regulator is calcitonin, which forms in the thyroid gland. An interactive version of this Chalk Talk episode can be found at: […]

Read more

Baroreflex Regulation of Blood Pressure, Animation.

(USMLE topics) How heart rate is controlled by the parasympathetic and sympathetic divisions of the autonomic nervous system, with overview of baroreceptor resetting. This video is available for instant download licensing here : ©Alila Medical Media. All rights reserved. Voice by: Sue Stern Support us on Patreon and get FREE downloads and other great rewards: patreon.com/AlilaMedicalMedia Baroreflex, or baroreceptor reflex, is one of the mechanisms the body uses to maintain stable blood pressure levels or homeostasis. Baroreflex […]

Read more

Renal ECF Volume Regulation

😍🖼Animated Mnemonics (Picmonic): – With Picmonic, get your life back by studying less and remembering more. Medical and Nursing students say that Picmonic is the most comprehensive and effective way to bridge learning and test prep… Disclaimer: I use affiliate links…. ►👨‍🏫💊Antibiotics Lectures: … Check out my brand new “Electrolytes” course at and use the PROMO code: ELECTROLYTES50 to get a 50% discount. In this video, you will learn how the kidney regulates the ECF volume. Extracellular […]

Read more

Prokaryotic Gene Regulation: Lac Operon

The first fully described genetic regulatory mechanism is the lac operon in E. coli bacteria. Today, it still represents an adequate model for prokaryotic gene regulation. An operon is a transcription unit of genes whose products are required under identical circumstances. So, it facilitates the coordinated expression of multiple genes. Further information can be found under: Subscribe to AMBOSS YouTube for the latest clinical examination videos, medical student interviews, study tips and tricks, and live webinars! Free […]

Read more