Ant Life Cycle Stages, Children can see how ants change as they grow with Insect Lore’s Ant Life Cycle Stages. These oversized, anatomically correct figures have been accurately painted and sculpted to show the four stages of ant development: eggs, larva, pupa and adult.
Model, Labor Stages, mounted individually bases: Fetus in womb, cervix closed, Fetus in womb, cervix open, Fetus in womb, start of head passage, Fetus in womb and pelvis, finish of head passage, Placenta in the womb, Dimensions: 40 x 31 x 13 cm, weight: 2 kg
Cow longitudinal section of bone, front leg bone, to view internal structure, periosteum, solid bone layer, spongy bone, medullary canal, yellow bone marrow, red bone marrow, epiphysial line, head of the long bone with articulating surface of the hyaline cartilage* * Ward's preserved cow material is a byproduct of the food industry. Cows are not raised specifically for dissection. This animal material is "recycled" for educational use.