spindle structure

Chapter 11 practice questions (Jake) Questions and Study ...

The mitotic spindle is a microtubular structure that is involved in _____. A. Splitting of the cell (cytokinesis) following mitosis B. Separation of Sister Chromatids C. Dissolving the nuclear membrane D. Triggering the compaction and condensation of chromosomes

Mitotic Spindle - an overview | ScienceDirect Topics

The mitotic spindle is a structure that forms during cell division and separates duplicated chromosomes. In eukaryotic cells, the mitotic apparatus is composed of two centrosomes and spindle microtubules (Figure 43.9).

Muscle spindles - Physiopedia

Spindle Structure. Three-dimensional ultrastructural analysis of yeast mitotic spindle microtubules has been accomplished by reconstruction from serial thin sections of cells (Winey et al. 1995) and by electron tomography of thick sections of cells (O'Toole et al. 1999) (Figure 1).The work confirmed that kinetochores are attached by a single microtubule as suggested in early high-voltage ...

Spindle apparatus - Wikipedia

The spindle fibers form out of the centrosome, also known as the microtubule-organizing center, or MTOC. Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division. The spindle fibers form during cellular division near the poles of …

What Is the Role of Spindle Fibers in Mitosis? | Reference.com

The spindle fibers are used to control the movement and segregation of chromosomes in both the mitosis cell division and meiosis cell division. The spindles are referred to as the spindle apparatus and also mitotic spindle during mitosis or the meiotic spindle during meiosis.

What is the function of the mitotic spindle apparatus ...

The mitotic spindle apparatus serves to pull duplicated chromosomes apart. When a dividing somatic cell has duplicated its DNA it can proceed to mitosis. During mitosis the pairs of copied chromosomes (condensed packages of DNA) have to be pulled apart in order to …

Mitotic spindle - Biology-Online Dictionary | Biology ...

The spindle apparatus is the collective term for all the spindle fibers that form during mitosis or meiosis.These spindle fibers are responsible in moving and segregating the chromosomes during nuclear division. The spindle apparatus that forms during mitosis is referred to as mitotic spindle whereas the one that forms during meiosis is called meiotic spindle.

SPINDLE

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Mitotic Spindle Assembly: The Role of Motor Proteins - eLS ...

The mitotic spindle, a microtubule-based structure, is required for chromosome segregation during cell division. Motor proteins are molecular machines that utilise the energy of adenosine triphosphate (ATP) hydrolysis to move along microtubules. During cell division, motor proteins are required for spindle formation, chromosome alignment and segregation.

Spindle structure - Rieter

The spindle consists of two distinctly separate parts, spindle center shaft (4) and enclosed bearing housing (7).Nowadays the center shaft is made from an aluminum alloy and is slightly tapered (e.g. 1:64).

Spindle Structure - Yu, Lin-chien

Dec 06, 2007· A spindle structure is applied for a fastening base of a portable electronic apparatus. The spindle structure includes a fastening rack, a wedge, an elastic body, a holder, a bolt and a stem.

Muscle spindle - Wikipedia

Mammalian muscle spindle showing typical position in a muscle (left), neuronal connections in spinal cord (middle) and expanded schematic (right). The spindle is a stretch receptor with its own motor supply consisting of several intrafusal muscle fibres.

US20160344248A1 - Spindle structure, electric motor, and ...

A spindle structure capable of accelerating the flow of a fluid in through holes of a rotor. The spindle structure includes a rotatable rotation part. The rotation part includes a tool holding part provided at an axial direction one end of the rotation part and through holes that penetrate the rotation part and open at the end in the axial direction.

US2012677A - Spindle structure - Google Patents

An object of the invention is to provide a spindle structure embodying new and improved means for eliminating or at least holding to an absolute minimum the radial play of a rotating spindle and the bearings by which the spindle is supported.

The Structure of the Mitotic Spindle and Nucleolus during ...

To identify the origin and structure of the mitotic spindle, its relationship to the nucleolus and to further understand the influence of persistent nucleoli on cellular division in acentriolar organisms like Naegleria, three-dimensional reconstructions of the mitotic spindle and nucleolus were carried out using confocal microscopy. Monoclonal ...

Oocyte Meiotic Spindle Assembly and Function

the microtubule-based spindle structure that mediates this reduction in genome content remains poorly understood compared to our knowledge of mitotic spindle assembly and function.

Mitotic Spindle: Definition, Formation & Function - Video ...

The mitotic spindle is a structure composed of microtubules which segregates chromosomes into the daughter cells during mitosis. A microtubule is a rope-like component of the cytoskeleton.

Curcumin disrupts mitotic spindle structure and induces ...

The dietary phytochemical curcumin possesses anti-inflammatory, -oxidant, and cytostatic properties, and exhibits significant potential as a chemopreventative agent in humans.

Spindle

The SPINDLE project aims to enable more people to enjoy enriched lives through investment and asset management, and to become free from the conventional exploitative social structure that is based on centralized authority.

What is the structure for spindle fibers - science.answers.com

The spindle fibers actually bind to the kinetochore, a structure found on the chromosomes. What stage does spindle fibers attach to chromosomes? Metaphase is the stage when spindle fibers attach to chromosomes.Metaphase is the second stage of cell division, between prophaseand anaphase.

The Structure and Function of the Muscle Spindle Fiber ...

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Cell Structures involved in Mitosis – Spindle Fibres ...

A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. The constricted region joining the two sister chromatids that make up an X-shaped chromosome. It also serves as the point of attachment for spindle fibers ...

Spindle Apparatus - an overview | ScienceDirect Topics

Xavier Fant, ... Laurence Haren, in International Review of Cytology, 2004. Abstract. Mitotic and meiotic cells contain a bipolar spindle apparatus of microtubules and associated proteins. To arrange microtubules into focused spindle poles, different mechanisms are used by various organisms.

Exmark Spindle For Sale - Garden Structures

Garden Structures - Find Garden Beds, Gazebos, Pergolas. Browse a bunch of exmark spindle available on sale this week. We offer a curated group of products at unbelievable sticker prices. Find exmark spindle …

2 Spindle 1 NC lathe - smd.co.jp

Structure of 2SI series; Various conjugated method of 2nd spindle; ... For example, if it takes 30 seconds on op10 machining with spindle[1] and 45 seconds on op20 machining with spindle[2], spindle[1] can not go to the next step until spindle[2] finishes its machining. In this case, 15 seconds of waiting time ' Idle time ' occurs.

What are the structures where the spindle fibers grow from ...

This PCM starts to expand in G2 because it is essential for nucleation and growth of the spindle fibres, or microtubules. A single centrosome consists of either one or two centrioles AND the PCM (represented by the dotted circle in the right-most figure).

Spindle definition and meaning | Collins English Dictionary

Definition of 'spindle' ... a spindle-shaped structure formed by microtubules during mitosis or meiosis which draws the duplicated chromosomes apart as the cell divides. 8. a less common name for a hydrometer. 9. a tall pole with a marker at the top, fixed to an …

Mitotic spindle apparatus | Revolvy

Mitotic spindle apparatus Micrograph showing condensed chromosomes in blue, kinetochores in pink, and microtubules in green during metaphase of mitosis In cell biology, the spindle apparatus (or mitotic spindle ) refers to the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids between daughter cells .

Cell organelles Questions and Study Guide | Quizlet ...

Start studying Cell organelles. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. ... Structure of Cell Wall. Consists of cellulose microfibrils and other polysaccharides. ... Forms a spindle-shaped structure of protein fibres on which the chromosomes move during nuclear division.

Spindle | Define Spindle at Dictionary.com

a spindle-shaped structure, composed of microtubules, that forms near the cell nucleus during mitosis or meiosis and, as it divides, draws the chromosomes to opposite poles of the cell. a short, turned or circular ornament, as in a baluster or stair rail.

Muscle Spindle Questions and Study Guide | Quizlet ...

maintains sensitivity of the muscle spindle throughout normal range of muscle length. Where does the gamma motor neuron go to? if its static, it goes to the contractile portion of the chain fiber if its dynamic, it goes to the contractile portion of the bag fiber.

Spindle cell | definition of spindle cell by Medical ...

spindle cell A generic term for an elonged and/or fusiform cell, regardless of origin. Lineage Mesenchymal, epithelial, lymphoproliferative; in general, mesenchymal spindle cells—e..g., fibroblasts and myofibroblasts—are benign and are normally found in stromal tissues; spindled epithelial cells are uncommon and usually seen in poorly differentiated squamous cell carcinoma, hairy cell ...