Categories
biology notes

Cleavage stages of the annelid Chaetopterus

Beginning this #WormWednesday with the beginnings of a worm. The cleavage stages of the annelid Chaetopterus.

Categories
biology imaging notes

Embryonic cell division

At some point in our lives, we have all been through that (=embryonic cleavage).

Movie of a developing echinoderm embryo accelerated 3x.
Categories
biology imaging notes

Bryozoan life cycle

The BEST footage of bryozoan life cycle on the internet. Meet the coronate larva of Bugula neritina. Wow!

Made by Alvaro E. Migotto and Leandro M. Vieira.
Categories
biology notes

Ribbon worm development

Our paper on the unique development of a ribbon worm and the evolution of larval forms: https://evodevojournal.biomedcentral.com/articles/10.1186/s13227-015-0023-5

Adult specimen of Ribbon worm Lineus ruber (Nemertea).

See more about Lineus ruber.

Categories
articles biology

Turtles, embryos, and fossils

I wrote a text about the development and evolution of the turtle shell on The Node: Turtles in a nutshell.

800px TurtleOmaha
Turtle at Henry Doorly Zoo, Omaha. Photo by Algy3289.

It shows the beginning of shell formation in embryos and how this can help us understand the evolution of such unique body pattern. 3D animations and fossils are included!

Never thought I would post a vertebrate on this website… but having shoulders inside the rib cage made me make an exception, poor things :p

Categories
biology notes

A Sea Biscuit’s Life

My video about the life cycle of a sea biscuit is now online!

A Sea Biscuit’s Life.

Also available on Vimeo. Learn more at: https://msc.brunovellutini.com/