PSYB65H3 Chapter Notes - Chapter 6: Cytochrome P450, Tight Junction, Endothelium
Document Summary
Chapter 6 how do drugs and hormones influence the brain and. 6. 1 principles of psychopharmacology: psychoactive drugs substances that act to alter mood, thought, or behaviour, can act as toxins, producing sickness, brain damage or death. Inhaling and injecting requires a lower dosage and is thus sold for less than an oral pill. 1 small molecules can pass through the endothelial membrane. 2 molecules of glucose, amino acids and other food components are carried across the membrane by active-transport systems or ion pumps transporter proteins specialized to convey a particular substance. 98% of all drugs that may affect the brain function cannot cross the bbb. 3: some may affect fertility, development of embryos and even the physiology and behaviour of adult organisms, problem solved by redesign of waste management systems to remove by-products eliminated by humans and other animals. 5: results were product of 3 diff kinds of tolerance.
