Capsule

Capsule may refer to:

Biology and medicine

 * Articular capsule (joint capsule), an envelope surrounding a synovial joint
 * Bacterial capsule, a layer that lies outside the cell wall of bacteria
 * Bowman's capsule (glomerular capsule), a sac surrounding a glomerulus in a mammalian kidney
 * Capsular contracture, the scar tissue naturally forming around breast implants
 * Capsule (fruit), or seed capsule, a type of dry fruit like the poppy, iris or foxglove
 * Capsule (pharmacy), a small gelatinous case enclosing a dose of medication
 * Glisson's capsule, a fibrous layer covering the external surface of the liver
 * Lymph node capsule
 * Renal capsule, a tough fibrous layer surrounding the kidney
 * Yeast capsule, a layer surrounding some pathogenic yeasts

Capsules of the brain

 * External capsule
 * Extreme capsule
 * Internal capsule

Other uses

 * Capsule (band), a Japanese electronic duo
 * Capsule (CRM), a Customer Relationship Management SaaS web application and mobile app
 * Capsule (Ferris wheel), a passenger compartment
 * Capsule (geometry), a shape consisting of a cylinder capped with hemispheres
 * Capsule hotel, a type of very dense overnight lodging popular in urban Japan
 * Capsule (microphone), the component which converts acoustic energy into an electric signal
 * Capsule neural network, a type of artificial neural network
 * Capsule review, short critique
 * Capsule (website), an event-sharing social platform
 * Space capsule, a type of crewed spacecraft
 * The Capsule, a 2012 Greek short film
 * Time capsule, a cache of items and/or information to be preserved for future times