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The hepatic portal system is the system of veins comprising the hepatic portal vein and its tributaries. It is responsible for directing blood from the region of the gastrointestinal tract between the esophagus and rectum and also includes venous drainage from the supplementary organs such as the spleen and pancreas.
BioDigital Systems created this 3D animation of a knee replacement surgery.
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Sialendoscopy can be both diagnostic and therapeutic. It is complementary to diagnostic techniques such as plain radiography, ultrasonography, computed tomography (CT), magnetic resonance sialography, and conventional sialography, all of which are traditional, time-tested methods for evaluating the salivary ductal system
Soft tissue biopsy from osteolytic lesions is a challenge for the interventionist. The Spirotome Bone is conceived for this intervention. The procedure is straigthforward and produces tissue specimens of high quality in sufficient amounts to allow quantitative molecular biology.
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This animation by Nucleus shows you the function of plant and animal cells for middle school and high school biology, including organelles like the nucleus, nucleolus, DNA (chromosomes), ribosomes, mitochondria, etc. Also included are ATP molecules, cytoskeleton, cytoplasm, microtubules, proteins, chloroplasts, chlorophyll, cell walls, cell membrane, cilia, flagellae, etc.
0:07 What is a cell?
0:35 What are the 2 categories of cells?
1:22 What is an Organelle? DNA, Chromatin, Chromosomes
2:06 Organelles: Ribosomes, Endoplasmic Reticulum
2:59 Organelles: ER function, Vesicles, Golgi Body (Apparatus)
3:50 Organelles: Vacuole, Lysosome, Mitochondrion
4:45 Organelles: Cytoskeleton
5:04 Plant Cell Chloroplast, Cell Wall
5:43 Unique Cell Structures: Cilia
Watch another version of this video, narrated by biology teacher Joanne Jezequel here: https://youtu.be/cbiyKH9uPUw
#cell #nucleus #biology
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Watch other Nucleus Biology videos:
- Controlled Experiments: https://youtu.be/D3ZB2RTylR4
- Independent vs. Dependent Variables: https://youtu.be/nqj0rJEf3Ew
- Active Transport: https://youtu.be/ufCiGz75DAk
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Learn more about the company that created this video: http://www.nucleusmedicalmedia.com/
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This animation won a Platinum Best of Show Aurora Award in 2016.
Cigarette contain tobacco that is very harmful but vaporizers does not contain tobacco. ... The most basic difference between vaping and cigarette usage is that cigarettes require combustion. You need fire to light a cigarette. On the other hand, vaping requires electricity and creates vapor.
Buy your new Medical Marijuana Card for $59 & renewals for $45. Chat with our licensed doctors from your place and obtain your card by email in less than 10 minutes. Visit https://www.onlinemmjlosangeles.com/
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Patent ductus arteriosus (PDA) is a persistent opening between two major blood vessels leading from the heart. The opening, called the ductus arteriosus, is a normal part of a baby's circulatory system before birth that usually closes shortly after birth. If it remains open, however, it's called a patent ductus arteriosus.
Gastrostomy tube is placed when a patient is not able to eat on his/her own as a result of neurological or other dysfunction. There are many different types of gastrostomy tubes but in general there are two bigger categories. The classic one and the low profile one. The gastroplexy technique is used preferably to avoid accidental pulling of the gastrostomy tube from an agitated or confused patient.
A ventricular assist device (VAD) — also known as a mechanical circulatory support device — is an implantable mechanical pump that helps pump blood from the lower chambers of your heart (the ventricles) to the rest of your body. A VAD is used in people who have weakened hearts or heart failure. Although a VAD can be placed in the left, right or both ventricles of your heart, it is most frequently used in the left ventricle. When placed in the left ventricle it is called a left ventricular assist device (LVAD). You may have a VAD implanted while you wait for a heart transplant or for your heart to become strong enough to effectively pump blood on its own. Your doctor may also recommend having a VAD implanted as a long-term treatment if you have heart failure and you're not a good candidate for a heart transplant.