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بمقياس الميكرومترAt the micrometre scale

The Cell Lab

Eight cells and viruses from the syllabus, built in 3D at their real proportions and cut open. Touch an organelle to read its job, its place, its size and how a microscope shows it — then switch to “Find it” to test yourself.

Cell biology gameBuild a cellPick a cell, then drag in only what belongs to it. Some pieces in the tray are traps from other cells.

Choose a cell

Animal cell

The textbook eukaryotic cell, cut open so you can see inside. Follow a protein: nucleus, rough ER, Golgi, vesicle, membrane — the secretory pathway from the lesson.

Preparing the cell

Drag to turn · touch to name

Stain

Plate colours. The textbook drawing: each structure in its own colour, so they are easy to tell apart. No real stain looks like this.

Structures of the cell16 structures

Drawing: Nucleus and organelles in proportion; ribosomes, nuclear pores and filaments drawn far larger than life so they stay visible.

Animal cell

Type
Eukaryote
Model
16 structures
Size
≈ 20 µm (10 to 30 µm)

Touch a structure on the cell or in the list to read its card.

Related lessonThe organelles and the secretory pathway

To scale

About 2.7 times the width of a red blood cell.

  • Sperm cell55 µm
  • Plant cell50 µm
  • Neuron25 µm
  • Animal cell20 µm
  • Blood cells7.5 µm
  • Bacterium2 µm
  • Bacteriophage T4200 nm
  • HIV120 nm

100 nm1 µm10 µm100 µm

Logarithmic scale: each mark is ten times the one before. The red cell, 7.5 µm, is the ruler on every blood slide.

Schematic models drawn from histology and cell-biology textbooks; structures too small to see at the cell's scale are enlarged, and each cell says which.