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An acromian process is characteristically found in the:
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- pelvic girdle of mammals
- pectoral girdle of mammals
- skull of frog
- sperm of mammals
Correct Option: B
Each half of pectoral girdle has two bones i.e. clavicle and scapula. A spine like, acromian process is attached to scapula for articulation with clavicle bone.