ScienceAlert on MSN6d
Wild New Study Suggests Buttholes Once Had a Very Different Purpose
A new study suggests instead of releasing waste, the first anal orifice was an exit hatch for male sex cells which was given ...
Nature3mon
Crystal structure and mutational analysis of a perlecan-binding fragment of nidogen-1
Basement membranes are sheet-like extracellular matrices found at the basal surfaces of epithelia and condensed mesenchyma. By preventing cell mixing and providing a cell-adhesive substrate, they ...