Transverse section through the neural tube of an early stage chick embryo. The brown stain shows the neurofilament in the axons of the commisural neurons (running down the sides of the neural tube) an...

Zebrafish embryo showing the alignment of cells involved in the formation of the neural tube, which will become the spinal cord and brain.

Neural plate of Xenopus laevis at early neural tube closure.

Scanning EM of a 24 hr (prim-5) Zebrafish embryo, fractured to reveal the neural tube, migrating neural crest cells, the notochord and the somites. Specimens were chemically fixed critically point ...

Scanning EM of a 24 hr (prim-5) Zebrafish embryo, fractured to reveal the neural tube, notochord and anterior faces of the myotomes. Specimens were chemically fixed critically point dried, and spu...

Living Lilium pollen tube labeled with dichloro-flourescein diacetate to mark the vacuole and imaged using laser scanning focal microscopy. Shown is a central 1.0 micron thick x-y slice.The growing ...

Living Lilium pollen tube labeled with mitotracker green to mark mitochondria (green) and cytochalasin D TRITC to mark endoplasmic reticulum (red) imaged using laser scanning focal microscopy. Shown i...

Living Lilium pollen tube labeled with mGFP5-HDEL to mark endoplasmic reticulum (green) imaged using laser scanning focal microscopy. Shown is a central 1.0 micron thick x-y slice. The growing tip is...

Freeze substituted Lilium pollen tube immunolabeled for filamentous actin and imaged using laser scanning confocal microscopy. Shown is a projection of z-slices revealing the dense sub-apical actin fr...

Freeze substituted Lilium pollen tube immunolabeled for filamentous actin and imaged using laser scanning confocal microscopy. Shown is a projection of x-z slices revealing the cortical distribution o...