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Male infertility and CaSa System
Physiology

Male infertility and CaSa System

Male infertility—the inability of sperm cells to fertilize an egg cell—has several causes. if, during fetal development, the testes do…
Bones in the hand
Anatomy

Bones in the hand

Wrist and Bones of Hand PhalangesMetacarpalsTrapeziumScaphoidLunateTriquetrumPisiformHamateCapitateTrapezoid Radiograph: Wrist PisiformHamateCapitateTrapezoidTrapeziumScaphoidRadiusLunateTriquetrumUlna Radiograph in anterioposterior beam projection
How to Make Artificial Cells
Physiology

How to Make Artificial Cells

People have studied cells for centuries. We know exactly what cells are made of, from their DNA and RNA to…
Difference between prokaryotic and eukaryotic cells
Genetics

Difference between prokaryotic and eukaryotic cells

All living things use DNA or RNA to store genetic information. But eukaryotes are different from bacteria and archaea in…
DNA fingerprinting (DNA profiling)
Genetics

DNA fingerprinting (DNA profiling)

DNA fingerprinting (also known as DNA profiling or DNA typing) refers to any technique for identifying individuals based on the…
Headache Reasons
Physiology

Headache Reasons

Headaches have many triggers. Muscle tension, nighttime teeth-grinding, stress and anxiety, bright lights, and some food ingredients are just a…
Gene Regulation in Human
Genetics

Gene Regulation in Human

Humans have about 20,000 protein-coding genes. Scientists have found that about 3800 of those genes are continually expressed in all…
How to Increase Metabolism Rate
Physiology

How to Increase Metabolism Rate

Metabolism describes all the chemical reactions in a cell. Because our cells always lose energy as heat, they require constant…
How will growth rate change in the future?
Physiology

How will growth rate change in the future?

No one knows exactly how growth rates will change in the future, so it is impossible to predict when or…
Caenorhabditis elegans (Nematode) as Model Organism for Research
Research

Caenorhabditis elegans (Nematode) as Model Organism for Research

Two invertebrates, a roundworm and an arthropod, share the spotlight in this box. Both have the characteristics common to all…
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