Using One of the Deadliest Neurotoxins for Beauty... and Medicine?

Royal jelly! For bees, it’s what makes all the difference between a queen and a worker.

Botox is a prescription drug best known for its cosmetic use, but its active ingredient is one of the deadliest biological substances known to mankind.

Hank discusses the chemistry of sarin, the nerve agent that killed more than 1400 people in a chemical weapons attack in Syria.

There are natural poisons that lurk in bacteria, plants, and fungi pretty much everywhere, and they're there for good reasons (according to the organisms that produce them) - but what is it about their chemical make up that makes them so...

If you always end up soaked while your friends are barely glistening, you might have wondered why your sweat glands are so… sweaty.

Howcast - Learn how schizophrenia affects the brain from psychiatrist Jeanie Tse in this Howcast video.

In this video, Justin from the Institute of Human Anatomy discusses the mysteries surrounding muscle knots.

Short video testing autonomic nervous system (ANS) #shorts (Part D) sympathetic, parasympathetic, T1-L2, brainstem, S2-S4, lateral horn, white ramus communicans, gray ramus communicans, sympathetic ganglion, sympathetic chain, NE, EPI,...

Short video testing autonomic nervous system (ANS) #shorts (Part C) sympathetic, parasympathetic, T1-L2, brainstem, S2-S4, lateral horn, white ramus communicans, gray ramus communicans, sympathetic ganglion, sympathetic chain, NE, EPI,...

This video tutorial discusses the Muscarinic cholinergic receptors: 0:00. Intro 0:15. What are cholinergic receptors? 0:25. What are muscarinic receptors? 1:52. Act through G-Protein coupled receptors that act through 2nd messengers...

This video tutorial briefly covers the sympathetic and parasympathetic role on heart innervation. It focuses on the following: - Sympathetic neurotransmitters (epinephrine and nor-epinephrine) and receptors (adrenergic). -...

This video tutorial discusses the Acetylcholine also known as ACh. 0:00. Intro to ACh 0:21. What is ACh? 0:41. What neurons release ACh? 1:47. Synthesis of ACh - 3:05. Hemicholinium 3:31. Storage of ACh - 5:07. Vesamicol 5:35. Release of...

Part 1 of 2 of excitation-contraction coupling | In this video, we discuss excitation-contraction coupling from events on the motor neuron axon all the way through opening of calcium channels in the sarcoplasmic reticulum (SR).

In this video, we discuss the salvage pathway for vitamin B5 (pantothenic acid), its biochemical reconstruction after absorption, and some clinical implications for vitamin B5 deficiency.

In this video, we explore the basic pharmacology of Parkinon's disease.

In this video, we will discuss the events of Excitation-Contraction Coupling from the motor neuron action potential to release of Ca2+ from the sarcoplasmic reticulum (SR). **Part 2 Coming Soon

In this video, we explore the major classes of drugs that are used in the treatment of pulmonary disorders (asthma and COPD) along with their mechanisms of action. Specifically, we consider the classes of drugs that do not directly...

In this video, we explore the basic pharmacology of Alzheimer's disease.

This video tutorial briefly covers the sympathetic and parasympathetic role on vessel innervation. It focuses on the following: - Sympathetic neurotransmitters (epinephrine and nor-epinephrine) and receptors (adrenergic). -...

This video tutorial discusses the Nicotinic cholinergic receptors: 0:00. Intro 0:17. What are cholinergic receptors? 0:31. What are nicotinic receptors? 1:47. What are the 2 types of nicotinic receptors? 2:07. Nm. Nicotinic muscle...

Choline Acetyltransferase: Physiology, Biochemistry, and Organic Mechanism

In this video, we discuss the mechanism of Myasthenia Gravis and how the condition presents.

We know that neurotransmitters are signaling molecules that travel across the synaptic space to interact with receptors and propagate signals from one neuron to the next. But what are these molecules? What are their structures? How do...