| A | B |
| otoscope | a device for examining the ear |
| ovum | the egg cell |
| oviduct | tube in which the egg passes from the ovary |
| panacea | a cure-all |
| dermal papillae | projections of the dermis into the epidermal area |
| paranuclear | beside the nucleus |
| pectoralis major | a large chest muscle |
| pelvic girdle | cradles the pelvic organs |
| penis | external sex organ of the male |
| unipennate, bipennate muscles | whose fascicles have a feathered appearance |
| pentose | a 5-carbon sugar |
| pepsin | a digestive enzyme of the stomach |
| permeate | to spread throughout |
| permeable | to allow a liquid or gas to spread through |
| perianal | situated around the anus |
| phagocyte | a cell that engulfs and digests particles |
| phenotype | the physical appearance of an individual |
| phlebitis | inflammation of the veins |
| pia matter | delicate inner membrane around the brain and spinal cord |
| arrector pili | muscles of the skin which makes hair stand up |
| pinocytosis | the engulfing of small particles by a cell |
| platysma | broad, flat muscles of the neck |
| pleural serosa | the membrane that lines thoracic cavity and covers the lungs |
| brachial plexus | the network of nerves that supplies the arm |
| pneumothorax | air in the thoracic cavity |
| podiatry | the treatment of foot disorders |