Merkel's Corpuscle

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** A specialized tactile sensory nerve ending in the epidermis, characterized by a terminal cuplike expansion of an intraepidermal axon in contact with the base of a single modified keratinocyte. SYN meniscus tactus, Merkel's corpuscle, Merkel's tactile cell, Merkel's tactile disk, tactile disk.

**Synonyms:** - Meniscus Tactus - Merkel's Disc - Merkel's Disk - Merkel's Tactile Cell - Tactile Disc - Tactile Disk - Tactile Meniscus