Showing 17–32 of 239 results
Bivalent entrance and modifications of sperm.
Starfish, Gastrula. This is the early, mid and late form.
Blastula (coeloblastic). Stained to show the individual cells, w.m.
Early and late cleavage. Abundance of material and variety of stages, w.m.
All stages through the bipinnaria on one slide, thin sections.
Asterias (Starfish), Embryology, Echinodermata, Prepared Slide Early and late cleavage. Thin secti...
Asterias (Starfish), Embryology, Prepared Slide. Brachiolaria, a later larval form, w.m.
All stages through the bipinnaria on one slide, w.m.
Starfish ovary. Sections show mature and developing eggs.
C.s. of ray to show general structure.
Section of lung showing typical pathology.
Planula, a free-swimming larval form, w.m.
Smear of encycted forms.
From guinea pig intestine. Vegetative smear.
A fresh-water red algae, w.m.
Bone Developing, Prepared slide. cs