Spindle may refer to:
Textiles and manufacturing
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Spindle (textiles)
A spindle is a straight spike usually made from wood used for spinning (textiles), spinning, twisting fibers such as wool, flax, hemp, cotton into Thread (yarn), yarn. It is often weighted at either the bottom, middle, or top, commonly by a d ...
, a straight spike to spin fibers into yarn
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Spindle (tool)
In machine tools, a spindle is a rotating axis of the machine, which often has a shaft at its heart. The shaft itself is called a spindle, but also, in shop-floor practice, the word often is used metonymically to refer to the entire rotary uni ...
, a rotating axis of a machine tool
Biology
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Common spindle and other species of shrubs and trees in genus ''
Euonymus
''Euonymus'' is a genus of flowering plants in the staff vine family, Celastraceae. Common names vary widely among different species and between different English-speaking countries, but include spindle (or spindle tree), burning-bush, strawb ...
'' whose hard wood was used to make spindles
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Spindle apparatus
In cell biology, the spindle apparatus refers to the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids between daughter cells. It is referred to as the mitotic spindle during mitosis, a pr ...
or mitotic spindle, a cellular structure in cell biology
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Muscle spindle
Muscle spindles are stretch receptors within the body of a skeletal muscle that primarily detect changes in the length of the muscle. They convey length information to the central nervous system via afferent nerve fibers. This information can be ...
, stretch receptors within the body of a muscle
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Spindle neuron
Von Economo neurons (VENs), also called spindle neurons, are a specific class of mammalian cortical neurons characterized by a large spindle-shaped soma (or body) gradually tapering into a single apical axon (the ramification that ''transmits ...
, a specific class of neuron
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Sleep spindle
Sleep spindles are bursts of neural oscillatory activity that are generated by interplay of the thalamic reticular nucleus (TRN) and other thalamic nuclei during stage 2 NREM sleep in a frequency range of ~11 to 16 Hz (usually 12–14 Hz) ...
, bursts of neural oscillatory activity during sleep
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Spindle transfer, an ''in vitro'' fertilization the technique
Computing
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Spindle (hard disk drive), the axis of a hard disk drive
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Spindle (disc packaging), a plastic case for bulk optical disks
Vehicles
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Spindle (automobile)
In an automobile, the wheel spindle, sometimes simply called the spindle, is a part of the suspension system that carries the hub for the wheel and attaches to the upper and lower control arms.
Spindles are carried by steering knuckles or "upr ...
, a part of a car's suspension system
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Spindle (vehicle)
SPINDLE (Sub-glacial Polar Ice Navigation, Descent, and Lake Exploration) is a 2-stage autonomous vehicle system consisting of a robotic ice-penetrating carrier vehicle ( cryobot) and an autonomous submersible HAUV (hovering autonomous underwater ...
, an autonomous ice-penetrating vehicle
Other uses
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Spindle (furniture)
A spindle, in furniture, is a cylindrically symmetric shaft, usually made of wood. A spindle is usually made of a single piece of wood and typically has decoration (also axially symmetric) fashioned by hand or with a lathe. The spindle was commo ...
, cylindrically symmetric shaft, usually made of wood
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''Spindle'' (sculpture), a 1989 sculpture by Dustin Shuler made from cars
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Spindle (stationery)
A spindle (or colloquially, a spike) is an upright spike used to temporarily hold papers. "Spindling" or "spiking" is the act of spearing an item onto the spike. A spindle was often used in restaurants to hold orders from the waitstaff to the ...
, an upright spike used to hold papers
* Spindle, part of a
door handle
A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including exterior doors of residential and commercial buildings, internal doors, cupboard doors and vehicle doors. There are many ...
* Spindle Rock, also called
Adrachti
Adrachti ( el, Αδράχτι) is a rock in the Meteora rock formation complex of Thessaly, Greece.
Due to its long, thin shape, it is sometimes called the "Spindle". In clockwise order, starting from the north, it is surrounded by Sourloti, Mo ...
, a rock in Meteora, Greece
See also
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Fusiform
Fusiform means having a spindle-like shape that is wide in the middle and tapers at both ends. It is similar to the lemon-shape, but often implies a focal broadening of a structure that continues from one or both ends, such as an aneurysm on a b ...
, having a spindle-like shape
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Rotation around a fixed axis
Rotation around a fixed axis is a special case of rotational motion. The fixed-axis hypothesis excludes the possibility of an axis changing its orientation and cannot describe such phenomena as wobbling or precession. According to Euler's rota ...
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Spindel Spindel is a surname. Notable people with the surname include:
* Bernard Spindel (1923–1971), American surveillance expert
* David Spindel (born 1941), American photographer
* Hal Spindel (1913–2002), American baseball player
* Janis Spindel, A ...
, a surname
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Spindler Spindler or Špindler (English, German and Jewish (Ashkenazic): occupational name for a spindle maker) is a surname. Notable people with the surname include:
* Amy Spindler (1963–2004), American journalist
* Angela Spindler, British businesswoma ...
, a surname
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Spindling, in computing
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The Spindles (disambiguation)
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