nesting hole; burrow; den
den; haunt; hangout; nest; lair
ovarian cancer; ovarian carcinoma
nesting place; nesting site; nesting grounds
homing instinct; homing ability
cryptorchidism; undescended testicle
swift's nest (used to make bird's nest soup); edible bird's nest
polycystic ovary syndrome
orchitis; inflammation of the testes
ovarian hyperstimulation syndrome; OHSS
testicular cancer; testicular tumor (tumour)
epididymitis; inflammation of the epididymis
oophorectomy; ovariectomy; ovarian resection; spay surgery
cryptorchidism; undescended testis; retained testis
ovarian quiescence (in cattle)
ovarian tissue freezing; ovarian cryopreservation
inflamed part; site of inflammation
brooding; sitting on eggs; nesting