| PELLAGRA | Pal takes lager, develops a deficiency (8) |
| BROADENS | Develops a way through mountains (8) |
| PALATIAL | Friend develops a tail that's very impressive (8) |
| BERIBERI | Name a disease of the peripheral nerves, caused by a deficiency in vitamin B (8) |
| SHORTAGE | What is a deficiency in quantity (8) |
| DIABETIC | Person with a deficiency of insulin (8) |
| DIABETES | Metabolic disease in which there is a deficiency in the production of, or response to, insulin (8) |
| CYANOSIS | A bluish-purple discoloration of skin and mucous membranes usually caused by a deficiency of oxygen in the blood |
| OTOSCOPE | Its use may reveal a deficiency in the listener |
| CUTSHORT | Curtail some meat showing a deficiency? (3,5) |
| TAYSACHS | Genetic disorder also known as GM2 gangliosidosis or Hexosaminidase A deficiency |
| ATAGALLOP | Gloat a pal takes flight in haste (2,1,6) |
| EYEEXAMINATION | I heard old French pal takes people to get a vision test (3,11) |
| BUDDYHOLLY | Pal takes timber from Hollywood rock and roll singer (5,5) |
| WAITSON | Holmes' pal takes one in and serves at table (5,2) |
| IMAGE | With a certain amount of acclaim, a general develops a public profile (5) |
| DROPPER | A shoot that goes down from a bulb and develops a new bulb (7) |
| RAW | 2016 horror film about a vegetarian who develops a meat craving |
| PETAL | Pal takes movie alien inside to see part of the flower (5) |
| STANCE | A little saint with acne develops a particular way of standing (6) |
