fuel cells
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In this lecture, Professor Diamond begins discussing the liver. She notes that the liver is the largest gland in the body and that all the cells in the liver are different. She describes the liver's location below the diaphragm and the liver's four lobe structure. After introducing the liver, Professor Diamond conducts a course review, covering topics from her previous lectures on the muscular system and digestive system.
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In this lecture, Professor Diamond conducts a review of previous lectures including areas of the respiratory system, nervous system, vascular system, as well as hematology and cardiology. Her review takes the format of a quiz as she goes through slides and asks students to identify parts of the slides as well as answer multiple choice and true or false questions. Questions involve topics such as the hyelin cartilage, the trachea, lungs, ...more
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In this lecture, Professor Diamond continues discussing the urinary system before moving on to introduce the basic structure and nomenclature for the endocrine system. Within the urinary system she covers renal tubules, hormonal action, accessory structures, collecting ducts, ureter, urinary bladder, and urethra. She begins by showing the quantities of blood filtered and processed by the kidneys. She describes the filtration function of...more
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The MIT Biology Department core courses all cover the same core material, which includes the fundamental principles of biochemistry, genetics, molecular biology, and cell biology. Biological function at the molecular level is particularly emphasized and covers the structure and regulation of genes, as well as, the structure and synthesis of proteins, how these molecules are integrated into cells, and how these cells are integrated into mul...more
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This penultimate lecture concludes the discussion of the male reproductive system. Here Professor Diamond introduces the sex glands, which include the seminal vesicles, prostate and the balbo urethra glades, detailing their location, functions and secretions. These secretions include acid phosphate from the prostate, which is used to detect prostate cancer. She then turns to the penis, diagramming its components, location of glands, purpos...more
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Professor Diamond continues her discussion of the nervous system with a diagram of a cross section of a developing spinal cord in which she highlights the ependyma, the mantle layer, the neuronal soma, and the marginal layer. She compares the developing cord to an adult cord and discusses the ventricles, the posterior and anterior horn, and the lateral horn in the thoracic cord. After relating these to the sympathetic division of the autom...more
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Molecular biology of prokaryotic and eukaryotic cells and their viruses. Mechanisms of DNA replication, transcription, translation. Structure of genes and chromosomes. Regulation of gene expression. Biochemical processes and principles in membrane structure and function, intracellular trafficking and subcellular compartmentation, cytoskeletal architecture, nucleocytoplasmic transport, signal transduction mechanisms, and cell cycle control.
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In this lecture on the male reproductive system, Professor Diamond begins by covering the primary sex organ (the gonad or testis). She discusses its function in producing sperm and testosterone, location within the male body, and the reason it is enclosed in a separate pouch called the scrotum (temperature regulation by the eremasteric muscle). Then she talks about the source of sperm, structure of the testis, in particular, the lobules, s...more
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Genetic Engineering in Medicine, Agriculture, & Law is a class that examines the historical and scientific study of genetic engineering in medicine, agriculture, and law, including examination of social, ethical, and legal issues raised by new technology. About the Professor: Dr. Bob Goldberg is a plant molecular biologist who specializes in the area of plant gene expression. The goal of his research has been to understand how plant cells ...more
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The MIT Biology Department core courses all cover the same core material, which includes the fundamental principles of biochemistry, genetics, molecular biology, and cell biology. Biological function at the molecular level is particularly emphasized and covers the structure and regulation of genes, as well as, the structure and synthesis of proteins, how these molecules are integrated into cells, and how these cells are integrated into mul...more
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In this lecture, Professor Diamond wraps up her discussion of the nervous system and moves on to the urinary system, beginning with the kidney. She concludes her discussion of the nervous system by describing the cochlea and diagramming its structure, and she indicates how cilia (hair cells) respond to and transmit information about vibrations in the fluid inside the cochlea. Professor Diamond then diagrams the constituents of the urinar...more
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In this lecture, Professor Diamond continues her discussion of the liver before moving on to the pancreas and hematology. She first describes how the liver is composed of cells called hepatocytes organized into lobules with triads, which each contain a branch of the hepatic artery, a branch of the hepatic portal vein, and a bile duct. She then reviews the functions of the liver, including supporting digestion through bile production, dev...more
