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Introduction to Histology
Introduction to Histology DrPhil 113 Views • 3 years ago

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Discover A Simplified Approach to Master the Complexity of Anatomy with me, Dr. David Morton ... The Noted Anatomist!

This video tutorial discusses an Introduction to Histology (study of tissues):
0:00​. Intro
0:35. Hierarchical organization of living matter
1:56​. H&E stains
3:00​. Epithelium overview (characteristics and classifying scheme)
- 9:12. Simple squamous epithelium
- 11:05. Simple cuboidal epithelium
- 12:20. Simple columnar epithelium
- 13:36. Stratified squamous epithelium
- 15:51. Urinary epithelium (transitional epithelium)
- 16:45. Pseudo-stratified ciliated columnar epithelium (respiratory epithelium)
18:55. Connective tissue overview (characteristics and classifying scheme)
- 21.14. Connective tissue proper (loose CT, dense irregular CT, dense regular CT, adipose tissue)
- 24:50. Cartilage (hyaline cartilage, elastic cartilage, fibrocartilage)
- 26:04. Bone (osteoblasts, osteocytes, osteoclasts, calcium ...)
- 27:34. Blood (RBC, WBC, platelet, plasma)
28:54. Muscle tissue (skeletal muscle, cardiac muscle, smooth muscle)
32:54. Nervous tissue (neurons and glial cells)
36:58​. In-a-Nutshell
37:07​. Acknowledgements

For a more detailed study of histology go to The Histology Wizard: https://www.youtube.com/channe....l/UCAeLLruy9RkUWaW_r

Laparoscopic Choledocojejunostomy
Laparoscopic Choledocojejunostomy DrPhil 19,589 Views • 3 years ago

A laparoscope is a small, thin tube that is put into your body through a tiny cut made just below your navel. Your surgeon can then see your gallbladder on a television screen and do the surgery with tools inserted in three other small cuts made in the right upper part of your abdomen. Your gallbladder is then taken out through one of the incisions.

Laparoscopic Appendectomy
Laparoscopic Appendectomy DrPhil 15,742 Views • 3 years ago

he appendix is a long narrow tube (a few inches in length) that attaches to the first part of the colon. It is usually located in the lower right quadrant of the abdominal cavity. The appendix produces a bacteria destroying protein called immunoglobulins, which help fight infection in the body. Its function, however, is not essential. People who have had appendectomies do not have an increased risk toward infection. Other organs in the body take over this function once the appendix has been removed.

Paracentesis
Paracentesis DrPhil 2,663 Views • 3 years ago

A video from Harvard medical school showing Paracentesis

Shock and Resucitation
Shock and Resucitation DrHouse 10,507 Views • 3 years ago

Basic shock and resuscitation video

Tubal Ectopic Pregnancy Salpingectomy
Tubal Ectopic Pregnancy Salpingectomy Scott 33,981 Views • 3 years ago

Removal of pregnancy within the fallopain tube using laparoscopic keyhole surgery. A segment of the tube together with the pregnancy within is removed.

From axons to tracts
From axons to tracts Mohamed 21,094 Views • 3 years ago

The complex circuitry interconnecting different areas in the brain, known collectively as white matter, is composed of millions of axons organized into fascicles and bundles. Upon macroscopic examination of sections of the brain, it is difficult to discern the orientation of the fibers. The same is true for conventional imaging modalities. However, recent advancements in magnetic resonance imaging (MRI) make such task possible in a live subject. By sensitizing an otherwise typical MRI sequence to the diffusion of water molecules it is possible to measure their diffusion coefficient in a given direction1. Normally, the axonal membrane and myelin sheaths pose barriers to the movement of water molecules and, thus, they diffuse preferentially along the axon2. Therefore, the direction of white matter bundles can be elucidated by determining the principal diffusivity of water. The three-dimensional representation of the diffusion coefficient can be given by a tensor and its mathematical decomposition provides the direction of the tracts3; this MRI technique is known as diffusion tensor imaging (DTI). By connecting the information acquired with DTI, three-dimensional depictions of white matter fascicles are obtained4. The virtual dissection of white matter bundles is rapidly becoming a valuable tool in clinical research.

Our journey begins with a transverse section of tightly packed axons as seen through light microscopy. Although represented as a two-dimensional "slice", we see that these axons in fact resemble tubes. A simulation of water molecules diffusing randomly inside the axons demonstrates how the membranes and myelin hinder their movement across them and shows the preferred diffusion direction --along the axons. The tracts depicted through DTI slowly blend in and we ride along with them. As we zoom out even more, we realize that it is a portion of the corpus callosum connecting the two sides of the brain we were traveling on and the great difference in relative scale of the individual axons becomes evident. The surface of the brain is then shown, as well as the rest of the white matter bundles--a big, apparently chaotic tangle of wires. Finally, the skin covers the brain.

With the exception of the simulated water molecules, all the data presented in the animation is obtained through microscopy and MRI. Computer algorithms for the extraction of the cerebral structures and a custom-built graphics engine make our journey through the brain's anatomy possible in a living person.

Micrograph courtesy of Dr. Christian Beaulieu, University of Alberta.
Music by Mario Mattioli.

References:
1. Stejskal, E.O., et al., J. Chem. Phys., 1965. 42:
2. Beaulieu, C., NMR Biomed., 2002. 15:435-55.
3. Basser, P.J., et al., J. Magn. Reson. B, 1994. 103:247-54.
4. Mori, S., et al., NMR Biomed., 2002. 15:468-80.

Sentinel Lymph Node Biopsy
Sentinel Lymph Node Biopsy DrHouse 15,656 Views • 3 years ago

A video-animation presentation about sentinel lymph node biopsies for breast cancer diagnosis. 3D graphics are used to explain the process. Topics include the lymphatic system and the methods used. This video is part of the breast cancer education series produced by CancerQuest at Emory University

What is Atrial Fibrillation
What is Atrial Fibrillation M_Nabil 8,858 Views • 3 years ago

Atrial Fibrillation is the most common heart rythmn abnormatlity and is very common as you age. Atrial fibrillation is a condition in which the top chambers of the heart, the Atrium are fibrillating, rather than having a regular synchronized contraction. One of the worst complications of Atrial Fibrillation can be Stroke. There are very good treatments of Atrial Fibrillation. This animated video is an overview of Atrial Fibrillation.

Allergies Pathophysiology
Allergies Pathophysiology DrHouse 17,262 Views • 3 years ago

Allergies, what causes them? This animated video reviews the pathophysiology of allergies, what causes them and why the symptoms occur. Food allergies, seasonal allergies and allergies to pollen all occur through a similar mechanism.

Urinary System Structure and Function
Urinary System Structure and Function Doctor 22,249 Views • 3 years ago

Urinary System Structure and Function

Bone Marrow Biopsy
Bone Marrow Biopsy Doctor 23,925 Views • 3 years ago

A video showing bone marrow biopsy

Umbilical Hernia Repair using Ventral Patch
Umbilical Hernia Repair using Ventral Patch Mohamed 15,904 Views • 3 years ago

Umbilical Hernia Repair using the new device echnique Ventral Patch

Chest x-ray -- Raised Hemidiaphragm
Chest x-ray -- Raised Hemidiaphragm academyo 14,188 Views • 3 years ago

The video will describe possible reasons of raised hemidiaphragm. It will also show some good examples. Please see my website for discalimer.

Ultrasound Guided Intravenous Peripheral Line Placement
Ultrasound Guided Intravenous Peripheral Line Placement Mohamed Ibrahim 14,635 Views • 3 years ago

Ultrasound Guided Intravenous Peripheral Line Placement

Arterial Line Insertion
Arterial Line Insertion Surgeon 20,717 Views • 3 years ago

Arterial line insertion usually involves cannulation of the radial artery with a 20 gauge catheter for the purposes of beat-by-beat blood pressure monitoring all along with arterial blood gas monitoring.

CT Scan  -- Chest
CT Scan -- Chest "Tree in Bud" sign academyo 19,881 Views • 3 years ago

The video will describe what is Tree in bud sign on CT scan of Chest. Please see disclaimer on my website www.academyofprofessionals.com

Vocal Cord Surgery HD
Vocal Cord Surgery HD Medical_Videos 10,655 Views • 3 years ago

Vocal Cord Surgery HD

Chronic Renal Failure
Chronic Renal Failure Alicia Berger 8,601 Views • 3 years ago

Chronic Renal Failure

Yervoy Approved in Canada for Deadly Skin Cancer
Yervoy Approved in Canada for Deadly Skin Cancer News Canada 5,349 Views • 3 years ago

How revolutionizing advancements helps patients with metastatic melanoma kick start the body’s immune system to increase survival.

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