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Basic histological staining methods (preview)  - Human Histology | Kenhub
Basic histological staining methods (preview) - Human Histology | Kenhub DrPhil 126 Views • 2 years ago

In order to be able to look at tissues under a microscope, we need to first stain them with the right technique. Learn the main staining techniques used in histology today on our full video: https://khub.me/aux9w

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As you probably know, histology is the study of the microscopic anatomy of cells and tissues. So we use staining methods to visualize and distinguish the different parts of cells and tissues since cells and their structures are usually transparent or colorless. The types of dyes used to color cells and their components can either be specific to particular structures, chemical groups or even molecules, and it can also be non-specific in which case most of the cell is stained in the same way.

When staining tissue samples, dyes that are used are either acidic or basic or a combination of the two. And why is that, you might be asking. Well, cellular structures such as nucleic acids or proteins have charged groups which are known as phosphate groups or carboxyl groups, just to name a couple. The dyes used in histology are colored organic compounds which also have a charge. Acidic dyes carry a negative charge and so they bind to positively-charged cell structures.

In the full version of this tutorial, we will cover some of the most common types of dyes used in histological staining of cells and their structures:
- basic dyes vs acidic dyes vs neutral dyes;
- hematoxylin and eosin;
- PAS - staining;
- Golgi method;
- Toluidine blue;
- Masson's trichrome;
- Osmium tetroxide;

To master this topic, click on the link and carry on watching the full video (available to Premium members): https://khub.me/aux9w !

Want to test your knowledge on the different types of cells and tissues? Take this quiz: https://khub.me/3g19f

Read more on how to interpret different histological sections on this complete article which goes through the different stains used in histology https://khub.me/saimh

For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/pkvz2

Medical Animation: Minimally Invasive Cardiac Surgery (MICS) at Sarasota Memorial Hospital
Medical Animation: Minimally Invasive Cardiac Surgery (MICS) at Sarasota Memorial Hospital Surgeon 159 Views • 2 years ago

Today, the most common approach for open-heart surgery is a sternotomy, which requires a 12-14-inch incision through the breastbone. But in the hands of experienced minimally invasive surgeons, many cardiac procedures can be performed through smaller 2- to 3-inch incisions between the ribs without the need to cut through the breastbone. Learn more in this medical animation from Sarasota Memorial's Minimally Invasive Cardiac Surgery Team and medical director Jonathan Hoffberger, DO. For information or referrals, visit smhheart.com.

Dilatation and Curettage (part 1 )
Dilatation and Curettage (part 1 ) DrHouse 116,093 Views • 2 years ago

The dilatation and Curettage procedure that is commonly performed (D and C)

Circumcision Video 3D
Circumcision Video 3D Doctor 287,497 Views • 2 years ago

Circumcision Video 3D

Transgender Man Gives Birth to a Baby
Transgender Man Gives Birth to a Baby Scott 3,390 Views • 2 years ago

Transgender Man Gives Birth to Healthy Baby, Talks Navigating Pregnancy as a Man Trystan Reese is a transgender man who just gave birth to a healthy baby boy. He told us about his pregnancy—and why his story isn't so out of the ordinary.

Cervicore biopsy of vaginal and cervical lesions
Cervicore biopsy of vaginal and cervical lesions JJANSSENS 35,020 Views • 2 years ago

When both mucosa and stroma are parts of the suspect lesion, a deep biopsy is needed. The Cervicore is designed to harvest samples from the cervix and vagina with minimal collateral injury to the surrounding tissues. The procedure is easy with minimal discomfort to the patient.

Epithelium | Histology Animation | Anatomy | Medical Education | V-Learning™
Epithelium | Histology Animation | Anatomy | Medical Education | V-Learning™ DrPhil 175 Views • 2 years ago

This sqadia.com short video clip is a brief explanation of Epithelium.

Epithelium is one of the four basic tissues of the body and is derived from all three germ layers.

It is composed of very closely packed, contiguous cells, with very little or no extracellular material in the extracellular spaces.

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Epithelial membranes can be: Simple squamous epithelium, Simple cuboidal epithelium, Simple columnar epithelium, and Pseudostratified epithelium.

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When there are two or more layers of cells epithelia is referred to as stratified, hence can be stratified squamous, stratified cuboidal and stratified columnar.

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Bone Histology
Bone Histology DrPhil 172 Views • 2 years ago

An animated description of the composition of bones.

Visit www.orthofilms.com for more videos and info.

Real Human Body Decaying Process
Real Human Body Decaying Process hooda 27,420 Views • 2 years ago

Watch that Real Human Body Decaying Process

Draining Huge Back Cyst
Draining Huge Back Cyst Scott 39,701 Views • 2 years ago

Draining Huge Back Cyst

Amniotomy - Breaking the bag of water prior to childbirth
Amniotomy - Breaking the bag of water prior to childbirth Doctor 285,787 Views • 2 years ago

Amniotomy is the official term for artificially breaking the bag of waters during labor. It is believed that breaking the bag of waters will help to speed up an otherwise slow labor. Amniotomy is part of the Active Management of Labor practiced in some hospitals. Amniotomy is performed by a midwife or doctor. A long, thin instrument with a hook on the end is inserted into the vagina and through the cervix so it can catch and rip the bag of waters. To perform an amniotomy, the cervix must be dilated enough to allow the instrument through the cervix, generally at least a two. Why choose Amniotomy? Unlike other medical methods of starting labor, amniotomy does not add synthetic hormones to your labor. Instead it seems to stimulate your body’s own labor process. Amniotomy allows the use of an internal electronic fetal monitor. How effective is Amniotomy? Amniotomy alone is unpredictable, it may take hours for labor to start with amniotomy. Because amniotomy increases the risk for infection, most caregivers use amniotomy in combination with synthetic oxytocin. Birth does happen faster when amniotomy is combined with synthetic oxytocin than when amniotomy is used alone. Risks of Amniotomy Risks for Mother Increases the risk for infection. This risk is increased with length of time the waters are broken and with vaginal exams. Because of the infection risk, a time limit is given by which the mother must give birth. As the time limit approaches attempts to progress labor will become more aggressive. The fore waters equalize pressure on the cervix so it will open uniformly. When they are broken, the mother increases her chances of having uneven dilation. Risks for Baby Increases the risk of umbilical cord compression. The fore waters equalize pressure on the baby’s head as it presses against the cervix. When they are broken, the pressure on the baby’s head may be uneven causing swelling in some parts.

Ingrown Hair Cyst
Ingrown Hair Cyst samer kareem 11,046 Views • 2 years ago

Vaginal Tape Vault Surgery: Pelvic Repair
Vaginal Tape Vault Surgery: Pelvic Repair Mohamed Ibrahim 160,166 Views • 2 years ago

Laparoscopic-assister percutaneous vaginal tape vault suspension, a minimally invasive prolapse repair with post-hysterectomy and uterine-sparing options

Inversion on transverse baby
Inversion on transverse baby samer kareem 1,870 Views • 2 years ago

Umbilical Cord Around the Neck
Umbilical Cord Around the Neck Mohamed Ibrahim 90,725 Views • 2 years ago

The umbilical cord is wrapped around the baby's neck in about 25% of deliveries. If loose, it usually has no impact on the delivery. If tight, it may need to be relieved before delivery of the baby can proceed safely

HOW TO USE A MICROSCOPE #microscope #anatomy #histology
HOW TO USE A MICROSCOPE #microscope #anatomy #histology DrPhil 160 Views • 2 years ago

Give away to who ever that will correctly mention the sample specimen used to make this video? (Be specific)
DROP ON THE COMMENT BOX

Dressing Changes - Wet to Dry (Nursing Skills) NURSING.com
Dressing Changes - Wet to Dry (Nursing Skills) NURSING.com nurse 198 Views • 2 years ago

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Dressing Changes- Wet to Dry (Nursing Skills)

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Get the full Dressing Change lesson here: https://nursing.com/lesson/ski....lls-05-04-wound-care

Click here for the related lesson on Wound Assessment: https://nursing.com/lesson/ski....lls-05-02-wound-care

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Dressing Changes- Wet to Dry (Nursing Skills):
In this video we’re going to look at how to do a wet to dry dressing change. Wound care and dressing changes should be performed at least daily or more often depending on orders. Dressing changes should be sterile to avoid introducing any new bacteria to the wound and to promote wound healing.

Bookmarks:
0:05 Introduction
0:10 Wound Assessment link above
0:24 Dressing Change Prep
1:24 Wet vs Dry Gauze
1:37 Soaking Gauze
2:00 Gauze Ring Out
2:25 Packing the wound
3:00 Covering the wound bed
3:37 Dry gauze barrier
4:00 ABD pad application
4:46 Documentation
4:54 Outro

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NCLEX®, NCLEX-RN® are registered trademarks of the National Council of State Boards of Nursing, INC. and hold no affiliation with NURSING.com.

HEMATOMA EVACUATIONS
HEMATOMA EVACUATIONS samer kareem 1,494 Views • 2 years ago

A hematoma is a common complication of surgical procedures. A large, expanding hematoma can result in necrosis of the overlying skin (1,2) or adjacent subcutaneous fat, increased incidence of infection, scarring, skin hyperpigmentation, tissue edema and a prolonged convalescence.

Examination of the Lower Limbs
Examination of the Lower Limbs Doctor 77,959 Views • 2 years ago

Medical Examination of the Lower Limbs

Minimally Invasive Brain Surgery: Endoscopic Endonasal Approach | UPMC
Minimally Invasive Brain Surgery: Endoscopic Endonasal Approach | UPMC Scott 307 Views • 2 years ago

This minimally invasive technique allows surgeons to remove skull base tumors as large as softballs through the nose, with less trauma to the brain and critical nerves than with a traditional craniotomy.

To learn more, please visit https://www.upmc.com/

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