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A step-by-step physiology explainer of male ejaculation. The video follows the emission and expulsion phases, the role of the prostate, seminal vesicles and pelvic muscles, and how the process is coordinated by the nervous system. Presented for anatomy and health education.

An educational explainer on the factors that influence twin pregnancy and what is — and is not — in your control. Educational only — not medical or fertility advice; speak with your clinician.

-The cremasteric reflex test is considered positive if there is elevation of the testis in response to stroking the upper inner thigh. This reaction is typically absent in testicular torsion and boys under the age of 6 months. Although not completely reliable in older boys and adults, an absent cremasteric reflex is highly suggestive of torsion. Patients with epididymitis usually have a normal cremasteric reflex, with pain and swelling isolated to

Juvenile polyposis syndrome (JPS) is a hereditary condition that is characterized by the presence of hamartomatous polyps in the digestive tract. Hamartomas are noncancerous (benign) masses of normal tissue that build up in the intestines or other places. These masses are called polyps if they develop inside a body structure, such as the intestines. The term “juvenile polyposis” refers to the type of polyp (juvenile polyp) that is found after examination of the polyp under a microscope, not the age at which people are diagnosed with JPS.

A narrated off-pump coronary bypass operation is shown from start to finish. The surgeon uses a stabilizer and a small shunt to sew the graft while the heart keeps beating. The recording is presented for education in cardiothoracic surgery. The operation footage runs about six and a half minutes in total.

In this silent recording, a large back abscess is drained. The footage presents the drainage procedure in a clinical setting, without narration. It is shared as an educational example of abscess management in minor surgery. The recording runs a little over three minutes and is presented as a visual record of the procedure.

A silent 3D animation shows how the pelvic bones and the baby's head adapt during childbirth. The sequence illustrates the movements that allow delivery to progress. It is a visual study aid for students of obstetrics and midwifery. No narration accompanies the animation, so the movement itself carries the explanation, and the clip runs just over a minute.

Assisted Birth Delivery HD

The camera sends images to an external monitor so the doctor can study the inside of your colon. The doctor can also insert instruments through the channel to take tissue samples (biopsies) or remove polyps or other areas of abnormal tissue. A colonoscopy typically takes about 20 minutes to an hour.

Narrated by the operating surgeon, this clip shows fibroadenoma removal under local anaesthesia. A small subareolar incision is made, adhesions are freed along a dissection plane, and the whole fibroadenoma is delivered through the small opening. It is a short operative record in Surgery Videos.

A very short ultrasound clip is shared here as a light-hearted moment from an examination room. An ultrasound examination is shown, and there is essentially no spoken narration, only a single name heard being called. The clip runs under a minute and sits in the site's funny videos collection.

Microsoft HoloLens. Medical Education

Wound suturing technique is demonstrated in this emergency medicine recording. The presenter works through how a wound is closed with sutures, with attention to healing and cosmetic outcome. It is a training resource for students learning basic wound closure skills. It is part of the site's library of recorded clinical and educational material.

A very funny song made by the staff of the Ob/Gyn Gangnam style

Watch that video of Super Model's Butt and Leg Implants Exploded

Difference between first time and the second time getting flu shot

A video showing the full steps for a successful epidural placement, puncture and application of anaesthesia

Step-by-step narration demonstrates nasogastric tube insertion. It lists the equipment, measures the tube from nose to earlobe to xiphoid, and advances it as the patient sips and swallows, noting the gag that warns of a wrong passage. It is a practical training video in Anaesthesia and nursing skills.

All you need to know about the Types of Female Genital Discharge