Most popular and detailed pregnancy models set includes 8 models to show the complete stages of pregnancy development (Twin Model Included). All models are mounted separately on a stand. This comprehensive set of models are used in medical schools and student's educational programs. Midwife schools , in doctor's offices for patient's presentations. Each model individually mounted on stand.
A life-size pelvis, sagittally sectioned, shows the condition of the fetus during the ninth month of pregnancy. Clearly revealed are the dorsal and abdominal muscles with lumbar vertebrae and a kidney section. The fetus can be removed for closer examination, and can be replaced with the included three-month fetus insert for comparison. The two - piece model is mounted on a base. With numbered Key Card.
Deoxyribonucleic acid Model showing segment of D.N.A. molecule mechanism of replication, to show the double helix coiling and reforming, nucleiotides and the structural formula to show the molecular shapes and bonds and angles distorted. Mounted on board with keycard.
Easy to construct the three dimensional model of DNA. Emphasizing the base pair sequence and function of DNA, the sturdy, colorful bases snap together in the correct sequence, and the pairs attach to a center rod representing hydrogen bonds. Two flexible strands signifying alternating pentose and phosphate units attach to the end of each pair, forming the double helix. Once completed the, the model can be rotated on its sturdy base. Includes enough materials to construct one models, a printed instruction manual.
