椎 - chinquapin, mallet, spine

shiitake mushroom (Lentinula edodes); shitake

atlas

vertebra

axis (vertebra)

Castanopsis cuspidata (species of chinquapin)

lumbar puncture

Mycena lux-coeli (bioluminescent species of mushroom)

disk herniation; herniated disk; hernia of intervertebral disk; slipped disk

Vertebrata

cervical spondylosis

Spina Bifida Association of Japan

any beech tree of genus Castanopsis; chinquapin; chinkapin