List: zoology

botany  noun  noun (generic)  zoology 

• hypocotyl
• embryonic axis

zoology  noun  noun (generic) 

• external gill

rare term  anatomy  zoology  noun  noun (generic) 

• spermatic duct, vas deferens, spermaduct

zoology  noun  noun (generic) 

• cercaria

zoology  noun  noun (generic) 

• byssus

zoology  noun  noun (generic) 

• homing instinct, homing ability

zoology  noun  noun (generic) 

• nuptial tubercles, pearl organs, breeding tubercles

zoology  noun  noun (generic) 

• radula

zoology  noun  noun (generic) 

• eyestalk, optic stalk

zoology  noun  noun (generic)  slang 

• mammary slit (in whales, dolphins and porpoises)
• cleavage (between breasts)