Fascicle stock illustrations

Browse 70+ fascicle stock illustrations and vector graphics available royalty-free, or search for book to find more great stock images and vector art.

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Intraventricular (electrical) conduction system of the heart transmits signals generated by the sinoatrial node to cause contraction of muscle: atrioventricular node, Purkinje fibers, bundle of His

A mosquito is drawing blood from skin through its proboscis. Shown are the proscis, antennae, maxillary, labium, fascicle, labrum. Females drink blood and the nectar of plants; the males only sip plant nectar. When a female bites, she also injects an anticoagulant (anti-clotting chemical) into the prey to keep the victim's blood flowing. She finds her victims by sight and smell, and also by detecting their warmth. Not all mosquito species bite humans. The mosquito is often a carrier of diseases, such as malaria, encephalitis, yellow fever, dengue fever, dog heartworm, West Nile virus, and many others.

Skeletal muscle is one of the three major types of muscle tissue in the human body, alongside smooth muscle and cardiac muscle. It is attached to bones by tendons and is responsible for voluntary movement, such as walking, running, and lifting weights.

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