Paul Andersen explains the major elements in the endocrine system. He explains how glands produce hormones which target cells. He differentiates between water soluble and lipid soluble hormones. He then describes the hormones and...

Paul Andersen explains how epinephrine is responsible for changes in chemistry of our body associated with the fight or flight response. Epinephrine released by the adrenal medulla are received by a number of organs associated with the...

Catecholamine Biosynthesis from Tyrosine

In this video, we discuss the autonomic nervous system signaling through presynaptic and postsynaptic neurons and various neurotransmitters.

This is a brief video tutorial on sympathetic innervation of GI organs. It also includes innervation of the adrenal gland and skin just because:)

In this video, we explore the biosynthesis, mechanism of action, and metabolism of the plant alkaloid, cocaine.

In this video, we examine the conversion of cholesterol to all of the major steroid classes: progestogens, mineralocorticoids, glucocorticoids, androgens, and estrogens.

This is a brief video tutorial outlining the retroperitoneal space, retroperitoneal organs (SAD PUCKER), muscles of the posterior abdominal wall and an introduction to the lumbar plexus of nerves.

In this video, we will discuss the biosynthetic pathway for human pheromones in both males and females; and discuss their implications.

In this video, we discuss the following:<br/>
[1] the layers of the adrenal glands and their<br/> secretions
[2] basics of the contr<br/>ol of these secretions
[3<br/>] histology of the adrenal glands

This video tutorial provides an overview of the adrenal gland (topography, parts, vascular supply, histology, hormones, etc..). 0:00. Introduction 0:22. Adrenal gland topography 2:06. Adrenal cortex and medulla 2:32. Vascular supply...

In this video, we explore two conditions that result in abnormal levels of the hormone, cortisol: Addison’s disease & Cushing’s disease.