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Results for: 'Mechanisms for chromosome movement Animation'
Gastrulation: cross section of the frog
By: HWC, Views: 6813
Gastrulation Most animals enter a phase early in development called gastrulation. In this phase, a tiny ball or disc of cells rearranges to form three embryonic layers of tissue, called germ layers. The germ layers of the embryo—now called a gastrula—are called the endoderm, mesoderm, and eco...
By: Administrator, Views: 10744
A wound is an injury to living tissue caused by a cut, blow, or other impact, typically one in which the skin is cut or broken.
By: HWC, Views: 2297
This animation shows how an mRNA transcript can be used to make a cDNA strand.
Cytotoxic T cell receptors, activation, proliferation, differentiation & action
By: HWC, Views: 8057
• Most cells which have CD8 on their surface become cytotoxic T cells (Tc cells). • CD8 T cells recognize a foreign antigen when it is presented in conjunction with the protein, MHC-I. • Nearly all nucleated cells in the body express MHC-I molecules. • T cells that recognize self-pe...
By: Administrator, Views: 10474
A hip fracture is a break in the upper quarter of the femur (thigh) bone. The extent of the break depends on the forces that are involved. The type of surgery used to treat a hip fracture is primarily based on the bones and soft tissues affected or on the level of the fracture.
By: Administrator, Views: 575
Normal starting position for elbow flexion is with the subject supine with the shoulder positioned in 0 degrees of flexion, extension and abduction with the arm close to the side of the body
By: Administrator, Views: 321
Ankle dorsiflexion essentially means moving your foot so that your toes get closer to your knee.
By: Administrator, Views: 10907
The majority of epilepsy cases are idiopathic (cause not identified) and symptoms begin during childhood or early adolescence. A child who has a seizure while standing should be gently assisted to the floor and placed in a side-lying position. In adults, epilepsy can occur after severe neu...
By: Administrator, Views: 11573
An epinephrine auto-injector is a medical device for injecting a measured dose or doses of epinephrine by means of autoinjector technology. It is most often used for the treatment of anaphylaxis. The first epinephrine auto-injector was brought to market in the 1980s.
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