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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our uterus (or womb) is normally held in place inside your pelvis with various muscles, tissue, and ligaments. Because of pregnancy, childbirth or difficult labor and delivery, in some women these muscles weaken. Also, as a woman ages and with a natural loss of the hormone estrogen, her uterus can drop into the vaginal canal, causing the condition known as a prolapsed uterus.

minimally invasive procedure is the new gold standard for hemorrhoidectomy, according to American and European experts in the field. The procedure, known as PPH (procedure for prolapse and hemorrhoids) stapled hemorrhoidectomy, combines hemorrhoidal devascularization and repositioning to return the veins to the anal canal. “This year, this is the revolutionary new procedure in the United States,” Gary Hoffman, MD, clinical faculty member in general and colorectal surgery, Cedars-Sinai Medical Center, Los Angeles, told General Surgery News after moderating a live PPH telesurgery at the 2003 annual meeting of the Society of American Gastrointestinal Endoscopic Surgeons.

show your patients how to use an inhaler

Acne is a skin disease that involves the oil glands at the base of hair follicles. Acne is not dangerous, but can leave skin scars. Types of pimples include whiteheads, blackheads, papules, pustules, nobules, cysts. ... Treatment for acne may depend on how severe and persistent .

Multiple sclerosis causes many different symptoms, including vision loss, pain, fatigue, and impaired coordination. The symptoms, severity, and duration can vary from person to person. Some people may be symptom free most of their lives, while others can have severe chronic symptoms that never go away.

inspection, auscultation and palpation

The superior vena cava (SVC, also known as the cava or cva) is a short, but large diameter vein located in the anterior right superior mediastinum.

Cancer Patient Dances in OR before her Surgery

An educational video of water birth vaginal delivery

How to Use a Female Condom Step by Step

Insulin is a hormone made naturally in the pancreas that helps move sugar into the cells of your body. Your cells use the sugar as fuel to make energy. Without enough insulin, sugar stays in your bloodstream, raising your blood sugar. High blood sugar, or hyperglycemia, can lead to the signs and symptoms of diabetes:

This video demonstrates tongue piercing procedure done OUTSIDE a clinical setting

Removing a hump from the bridge is one of the most common things people want addressed during their rhinoplasty. Nasal humps can range widely in size. Perhaps you just have a small bump that you'd like refined? Or maybe you have more of a Roman Nose with a more dominating, distracting large hump? No matter if your nose falls on one of these extremes or somewhere in between rhinoplasty surgery can be used to reshape your nose. For anyone considering having a rhinoplasty to reduce a hump on their bridge there are several things to consider before having surgery.

Each year, thousands of babies in the U.S. are born addicted to opiates. And the problem is getting worse.

McRoberts Maneuver for Shoulder Dystocia Birth

Histological features and cellular biology of exocrine glands. This video is a part of our Histology Video Course (https://youtube.com/playlist?l....ist=PLnr1l7WuQdDynxT

Additional YouTube Content
Biochemistry videos: https://youtube.com/playlist?l....ist=PLnr1l7WuQdDzCUC
Anatomy Videos: https://youtube.com/playlist?l....ist=PLnr1l7WuQdDz2dK
DaVinci Cases Videos: https://youtube.com/playlist?l....ist=PLnr1l7WuQdDyJUl
The DaVinci Hour Podcast: https://youtube.com/playlist?l....ist=PLnr1l7WuQdDwSm9

DaVinci Academy Website: https://www.dviacademy.com/

A stress ulcer is a single or multiple mucosal defect which can become complicated by upper gastrointestinal bleeding during the physiologic stress of serious illness.

Typically, breast reconstruction takes place during or soon after mastectomy, and in some cases, lumpectomy. Breast reconstruction also can be done many months or even years after mastectomy or lumpectomy. During reconstruction, a plastic surgeon creates a breast shape using an artificial implant (implant reconstruction), a flap of tissue from another place on your body (autologous reconstruction), or both.