spindle


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Related to spindle: spindle tree, spindle sander, Spindle speed

spindle

 [spin´d'l]
1. a pin tapered at one end or both ends, or something with this shape.
2. the thin, tapering figure occurring during metaphase of cell division, composed of microtubules radiating from the centrioles and connecting to the chromosomes at their centromeres. Called also mitotic spindle.
mitotic spindle spindle (def. 2).
muscle spindle a mechanoreceptor found between the skeletal muscle fibers; the muscle spindles are arranged in parallel with muscle fibers, and respond to passive stretch of the muscle but cease to discharge if the muscle contracts isotonically, thus signaling muscle length. The muscle spindle is the receptor responsible for the stretch or myotatic reflex.
sleep s's bursts of activity of a particular waveform in the electroencephalogram in light or early sleep.

spin·dle

(spin'dĕl),
anatomy, pathology any fusiform cell or structure.
[A.S.]

spindle

/spin·dle/ (spin´d'l)
1. a pin tapered at both ends.
2. the fusiform figure occurring during metaphase of cell division, composed of microtubules radiating from the centrioles and connecting to the chromosomes at their centromeres.
3. a type of brain wave occurring on the electroencephalogram in groups at a frequency of about 14 per second, usually while the patient is falling asleep.

Krukenberg's spindle  a spindle-shaped, brownish-red opacity of the cornea.
mitotic spindle  spindle (2).
muscle spindle  a fusiform end organ arranged in parallel between the fibers of skeletal muscle and acting as a mechanoreceptor, being the receptor of impulses responsible for the stretch reflex.
Enlarge picture
Diagrammatic cross-section of a muscle spindle showing the intrafusal fibers and afferent and efferent endings.
nuclear spindle  spindle (2).
tendon spindle  Golgi tendon organ.

spindle

(spĭn′dl)
n.
1. Biology A cytoplasmic network composed of microtubules along which the chromosomes are distributed during mitosis and meiosis.
2. Anatomy See muscle spindle.

spindle

Etymology: AS, spinel, to spin
1 the fusiform-shaped body of achromatin in the cell nucleus during the late prophase and the metaphase of mitosis. It consists of tiny fibers radiating out from the centrosomes and connecting them with one another.
2 a type of brain wave, consisting of a short series of changes in electric potential with a frequency of 14 per second.
3 any one of the special receptor organs comprising the neurotendinous and neuromuscular spindles distributed throughout the body. These kinds of spindles serve as special receptor organs that detect the degree of stretch in a muscle or at the junction of a muscle with its tendon and are essential in maintaining muscle tone.

spin·dle

(spin'dĕl)
anatomy, pathology Any fusiform cell or structure.
[A.S.]

spindle

A term used adjectivally in anatomy and referring to any elongated cell or structure pointed at both ends. Fusiform.

spin·dle

(spin'dĕl)
In anatomy and pathology, any fusiform cell or structure.
[A.S.]

spindle,

n muscle, a fusiform body lying parallel to and between muscle fibers. It is composed of a conspicuously smaller modified muscle fiber that has its own motor end plate to cause it to contract and its own special sensory end organs (the flower spray ending and the anulospiral ending) that send information to the central nervous system regarding the state of contraction of the main muscle body.

spindle

1. mitotic spindle; the fusiform figure occurring during metaphase of cell division, composed of microtubules radiating from the centrioles and connecting to the chromosomes at their centromeres.
2. muscle spindle.

muscle spindle
a mechanoreceptor found within a skeletal muscle; the muscle spindles are arranged in parallel with muscle fibers. They contain three to 10 small, striated muscle fibers (intrafusal fibers) contained within a capsule and supplied with specialized motor and sensory nerves. They respond to passive stretch of the muscle but cease to discharge if the muscle contracts isotonically, thus signalling muscle length. The muscle spindle is the receptor responsible for the stretch or myotatic reflex.
spindle wood, spindle tree
euonymuseuropaea.
References in periodicals archive ?
For technical data and manufacturing plants analysis, the spindle market report analyzes Spindle leading suppliers on capacity, commercial production date, manufacturing plants distribution, R&D Status, technology sources, and raw materials sources.
Researchers around the world are interested in the mechanisms of spindle formation because if chromosome segregation does not take place correctly in human cells, the process can cause cancer or birth defects.
Raise the spindle to its highest position and clamp a 12-18-inch steel straight edge between the spindle collars.
Now place your top handrail over the first spindle to set the height.
PCB fabricators began experimenting with dual spindle technology about 20 years ago.
Therefore, it is necessary to consider a simplified set of main factors as measurable heat elements, namely the machine tool spindle bearings and the spindle drive motor [14].
The spindle horn is a critical safety item so follow every step like it says in WP 0560 00 of TM 1-1520-237-23-7 when removing it.
resistance to generation of vibrations achieved through symmetrical distribution of rotational masses with respect to the rotation axis, balancing the spindle with all the fixed components;
com)-- New technology, constant high speed air turbine spindles for machine tools and robotics applications are now available in the UK and Ireland.
Spindle movements have also been found in many other systems.
Both the main and sub spindles feature wraparound high torque motors designed for optimum thermal stability.
Brookfield Engineering Labs will custom design a vane spindle to accommodate the user's specific fluid.