Spine
Spine or spinal may refer to:

Science
Biology
Vertebral column, also known as the backbone
Dendritic spine, a small membranous protrusion from a neuron's dendrite
Thorns, spines, and prickles, needle-like structures in plants
Spine (zoology), needle-like structures in animals
SPINE (molecular biology) (strep–protein interaction experiment), a method for the detection of protein interactions

Medicine
Spinal anaesthesia or "a spinal", an injection generally through a fine needle, usually long
The Spine, a set of national service within the UK NHS Connecting for Health

Arts, entertainment and media
The Spine (album), a 2004 They Might Be Giants album, including the songs "Spine" and "Spines"
Spine (1986 film), American film
The Spine (film), a 2009 animated short by Chris Landreth
The Spine, a novel by Ladislav Bublík

Fictional entities
Spinal (Killer Instinct), a fictional character from the video game Killer Instinct
Spine, a demon in Blood Beast (2007) book of the Demonata saga
The Spine, the fictional mountain chain which follows the west coast in The Inheritance Cycle
The Spine, a singing automaton in the band Steam Powered Giraffe, portrayed by David Michael Bennett

Periodicals
Spine (journal), a bi-weekly peer-reviewed journal of spine surgery, publish by Lippincott
The Spine Journal, bi-monthly peer-reviewed journal, published by Elsevier

Other uses
Spine (bookbinding), the closed edge of a book along which the pages are bound
Spine, a measure of stiffness of an arrow shaft in archery
SPINE (software), a web content management system

See also
Anterior inferior iliac spine (AIIS), anterior superior iliac spine (ASIS), posterior inferior iliac spine, and posterior superior iliac spine
Ischial spine, part of the posterior border of the body of the ischium bone of the pelvis
Mental spine, on the mandible
Anterior nasal spine, a bony projection in the skull
Posterior nasal spine, for the attachment of the musculus uvulae
Spine of scapula, a prominent plate of bone
Spine of sphenoid bone (spina angulari) and ethmoidal spine