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Related Concept Videos

Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

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Somatic sensory or somatosensory pathways refer to the neural pathways that carry information related to touch, pressure, pain, temperature, and proprioception from the skin, muscles, tendons, and joints to the brain. These pathways involve several stages of processing and integration of sensory information.
The somatosensory system is divided into three main pathways: the dorsal (or posterior) column-medial lemniscus, spinothalamic (or anterolateral), and spinocerebellar pathways.
The dorsal...
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Major Somatic Sensory Pathways01:28

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Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
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Direct Motor Pathways01:11

Direct Motor Pathways

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The direct motor pathways, also known as the pyramidal tracts, are a group of neural pathways that originate in the brain and descend through the spinal cord. They control the voluntary movement of the body. There are two major direct motor pathways: the corticospinal and the corticobulbar tracts.
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Mechanisms of Drug Absorption: Paracellular, Transcellular, and Vesicular Transport01:23

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Drugs need to permeate cell membranes to reach their target sites after administration. Orally administered drugs must transcend intestinal epithelial membrane barriers to infiltrate the systemic circulation. Drugs with a molecular weight of less than 500 Daltons diffuse through gaps between neighboring cells, called paracellular pathways.
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Cellular Membranes and Drug Transport01:24

Cellular Membranes and Drug Transport

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Drugs must traverse multiple biological barriers, such as multi-layered skin, single-layered intestinal epithelium, and the plasma membrane, to reach their target sites within the body. The plasma membrane, a highly structured composite of phospholipids, carbohydrates, and proteins, is the cell's protective boundary, facilitating selective substance exchange.
Phospholipids arrange themselves into a bilayer, with hydrophilic heads oriented outward and hydrophobic tails facing inward.
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Delivery Pathways to the Lysosome01:36

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Eukaryotic cells use different mechanisms to eliminate toxic waste obsolete and worn-out substances. Lysosomes play a pivotal role in this, and hence, these substances are carried to the lysosome from other parts of the cell and extracellular space through different pathways. The most elaborately studied pathways to the lysosome are the endocytic pathways.
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A Web Tool for Generating High Quality Machine-readable Biological Pathways
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Pathways to Medicine.

Jasmine Gibson1, Amalia Bay1, Luckson Omoaregba2

  • 1The Warren Alpert Medical School of Brown University, Providence, RI.

Rhode Island Medical Journal (2013)
|June 25, 2024
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Summary

Early exposure to health careers can enhance workforce diversity and address provider shortages. Pathway programs at Brown University empower diverse students to pursue healthcare professions, improving access in underserved areas.

Keywords:
DiversityMedical EducationPathway Programs

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Area of Science:

  • Health workforce development
  • Medical education
  • Public health initiatives

Background:

  • Health provider shortages and lack of diversity are critical issues in Rhode Island and nationwide.
  • Specific challenges include 13 Primary Care Health Professional Shortage Areas (PCHPSA) and 12 Medically Underserved Areas (MUA) in Rhode Island.
  • Addressing these disparities is crucial for equitable healthcare access.

Purpose of the Study:

  • To outline strategies for increasing diversity in the health professional workforce.
  • To detail initiatives aimed at reducing health provider shortages in Rhode Island.
  • To highlight the role of early health career exposure in achieving these goals.

Main Methods:

  • Establishment and support of multiple pathway programs by The Warren Alpert Medical School of Brown University.
  • Focus on providing early health career exposure to students from diverse backgrounds.
  • Empowering students to envision themselves as future healthcare professionals.

Main Results:

  • These programs aim to increase the number of healthcare professionals from underrepresented groups.
  • The initiatives are designed to improve healthcare access in federally designated shortage and underserved areas.
  • Fostering a more diverse and well-rounded healthcare workforce for Rhode Island's population.

Conclusions:

  • Early exposure to health careers is a viable strategy to improve workforce diversity.
  • Pathway programs can effectively address health provider shortages and enhance healthcare access.
  • Investing in diverse talent pipelines is essential for a robust and equitable healthcare system.