The spleen is the largest lymphoid organ. It receives blood from the splenic artery and is the only lymphoid organ that primarily filters blood instead of lymph.

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Medical disclaimer: Knowledge Diffusion Inc (DBA Osmosis) does not provide medical advice. Osmosis and the content available on Osmosis's properties (Osmosis.org, YouTube, and other channels) do not provide a diagnosis or other recommendation for treatment and are not a substitute for the professional judgment of a healthcare professional in diagnosis and treatment of any person or animal. The determination of the need for medical services and the types of healthcare to be provided to a patient are decisions that should be made only by a physician or other licensed health care provider. Always seek the advice of a physician or other qualified healthcare provider with any questions you have regarding a medical condition. © 2023 Elsevier. All rights reserved.

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.

Central venous access is essential in providing quality medical care to many patients for whom intensive therapy is required. In many situations, a semipermanent tunneled central line is preferred (see Indications). An anterior approach to the internal jugular vein (IJV) is the best option in this situation because it offers the easiest route with a low risk of complications. In this procedure, a tunneled catheter is surgically inserted into a vein in the neck or chest and passed under the skin. Only the end of the catheter is brought through the skin; medicines and intravenous (IV) fluid can be administered through this catheter; other tasks, such as blood sampling, can also be performed. The fact that the catheter is passed under the skin helps secure the catheter, reduces the rate of infection, and permits free movement of the catheter port. The placement of a tunneled catheter should be carried out by practitioners with specific experience in the procedure.

Complete clinical examination of the ears with all the associated tests

Laparoscopic removal of ectopic pregnancy

Central Venous Line Placement in the subclavian vein

A video from the New England Journal of Medicine performed by Harvard Medical School showing basic lacerations repair

A video from the New England Journal of Medicine performed by Harvard medical school showing Thoracocentesis

A Video from New England Journal of Medicine showing how to do nasogastric intubation

Starting an IV

How to obtain a blood sample

Measurement of pulse and respiratory rate

Surgery video of transgastric cholecystectomy

26 week uterus using Gyrus PKS Cutting Forcep, PKS Lyons Dissecting Forceps & PKS Needle.

Hysterectomy done laparoscopically is a relative new approach to the classical hysterectomy procedure, the advantages are better anatomic views, less bleeding, less surgical time and less recovery time

assessment of the extra-ocular muscles

Heart sounds S1, S2

Surgery during a Pancreatectomy. One can see the pancreas half extracted. This is Experimental Surgery, taken during a Pancreas transplantation

Histology of Sympathetic Ganglion

Surgical removal of a Chalazion from the eye lid