Type of oesophagus, where basal bulb has a refractive valve is
A. Aphelenchoid type
B. Criconematid type
C. Neotylenchoid type
D. Rhabditoid type
Answer: Option D
Solution (By Examveda Team)
Type of oesophagus, where basal bulb has a refractive valve is Rhabditoid type.Esophagus rhabditoid with metacorpus slightly swollen, narrow isthmus surrounded by nerve ring, and large basal bulb with reduced valve. Esophago-intestinal valve is usually pronounced.
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