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00:47Osmosis
Approximately 60% to 95% of the weight of living organisms is attributed to water. Therefore, maintaining appropriate water balance within cells is of paramount importance. Osmosis is the movement of water across a semipermeable membrane, such as a cell’s plasma membrane. In living organisms, water plays a crucial role as a solvent—a molecule that dissolves other molecules.Diffusion Versus OsmosisBoth diffusion and osmosis are types of passive transport—cellular transport that does not require...
02:44Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide
Alkenes are converted to 1,2-diols or glycols through a process called dihydroxylation. It involves the addition of two hydroxyl groups across the double bond with two different stereochemical approaches, namely anti and syn. Dihydroxylation using osmium tetroxide progresses with syn stereochemistry.
01:30Osmosis
Osmosis is the movement of free water molecules through a semipermeable membrane. The water's concentration gradient across the membrane is inversely proportional to the solutes' concentration. Whereas diffusion transports material across membranes and within cells, osmosis transports only water across a membrane, and the membrane limits the diffusion of solutes in the water. Osmosis is a special case of diffusion.
Water, like other substances, moves from a high concentration of free water...
Water, like other substances, moves from a high concentration of free water...
01:18Methods of Documentation I: Source-Oriented Records
Source-oriented records, or SOR, are medical record-keeping organized by the data source. The SOR system was first developed in the mid-1900s to organize the growing patient data in hospitals and other healthcare facilities.
In an SOR, each discipline involved in patient care maintains a separate medical record section. This record-keeping method enables easy tracking of patient progress and ensures healthcare staff have access to up-to-date information.
Key Attributes include the following:
In an SOR, each discipline involved in patient care maintains a separate medical record section. This record-keeping method enables easy tracking of patient progress and ensures healthcare staff have access to up-to-date information.
Key Attributes include the following:
01:14Gestalt Psychology
Gestalt psychology, founded by Max Wertheimer, Kurt Koffka, and Wolfgang Kohler, emphasizes the importance of understanding perception as an organized whole. Developed as a counter to Wilhelm Wundt's structuralism, this approach posits that our perceptions are more than just the sum of sensory parts; they are comprehensive wholes where the relationships between parts define the perception. The principle "The whole is greater than the sum of its parts" encapsulates this view, illustrating how...
01:24Humanistic Psychology
Humanistic psychology emerged in the mid-20th century as a response to the deterministic and pessimistic nature of behaviorism and psychoanalysis. While behaviorism focused on observable behaviors influenced by the environment and psychoanalysis delved into unconscious motivations, both theories suggested that human actions lacked free will. In contrast, humanistic psychology offers a perspective that emphasizes the innate potential for goodness and growth within every individual.
This approach...
This approach...
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What is the Oslerian tradition?
1Department of Medicine, University of South Carolina School of Medicine, Columbia 29203.
Annals of Internal Medicine
|April 15, 1994
Summary
The Oslerian tradition in internal medicine lacks a clear definition, hindering its application to modern practice. Understanding William Osler's virtuous approach to medicine and life offers valuable insights for wise decision-making in society.
Area of Science:
- Medical Humanities
- History of Medicine
- Internal Medicine
Background:
- The "Oslerian tradition" is frequently referenced in internal medicine but lacks a precise definition.
- This ambiguity limits its relevance to contemporary issues in American internal medicine.
Purpose of the Study:
- To explore the multifaceted meanings of the Oslerian tradition.
- To propose a functional understanding of the Oslerian tradition relevant to modern internal medicine and medical ethics.
Main Methods:
- Conceptual analysis of historical texts and philosophical underpinnings of William Osler's teachings.
- Examination of the definitional ambivalence within the field of internal medicine.
Main Results:
Conclusions:
- A deeper understanding of Osler's philosophy is crucial for internal medicine practitioners.
- The tradition emphasizes the delivery of wisdom for making choices in the best interest of society.