Categories
biology imaging notes

The blastopore of bryozoan embryos

This is a bryozoan embryo exhibiting its blastopore. These animals are discreet but ubiquitous in oceans and lakes all over the world.

Bryozoan embryo during gastrulation revealing its blastopore.
Embryo of the bryozoan Membranipora membranacea under confocal microscopy.

What we see is the DNA inside the nucleus of the cells of the embryo. The color gradient indicates if the nuclei are closer (yellow) or further away (purple) from the microscope camera.

The embryonic cells are arranged in a circle and form a central opening that we call the blastopore. This opening, in bryozoans, will become the mouth of the animal after the embryo develops.

You can follow the process on video or learn more details in the paper.

What about our mouth, where does it come from?

Categories
biology imaging notes

Larva of a lamp shell

Larva of a lamp shell, also known as brachiopod.
Terebratalia transversa (Sowerby, 1846)
Oil on canvas
167.95 µm × 167.95 µm
Categories
imaging biology notes

Eye imaginal disc of Drosophila

The eye imaginal disc of Drosophila (blue=elav, pink=repo, yellow=hrp) prepared with @Bugs_and_Slugs @ZVavrusova @zeiss_micro #embryo2017

Eye imaginal disc of Drosophila.
Categories
biology imaging notes

Surface of the pilidium larva

Pilidium larva of a nemertean
Cilia covering the pilidium larva of a nemertean, a marine invertebrate. Honorable mention at the Olympus BioScapes 2014.