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関連する概念動画

Joints01:26

Joints

Joints, also called articulations or articular surfaces, are points at which ligaments or other tissues connect adjacent bones. Joints permit movement and stability, and can be classified based on their structure or function.
Structural joint classifications are based on the material that makes up the joint as well as whether or not the joint contains a space between the bones. Joints are structurally classified as fibrous, cartilaginous, or synovial.
Fibrous Joints Are Immovable
The bones of a...
Functional Classification of Joints01:09

Functional Classification of Joints

Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses  or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An immobile...
Structural Classification of Joints01:20

Structural Classification of Joints

Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
Characteristics of Dry Friction01:21

Characteristics of Dry Friction

Dry friction occurs when two solid surfaces slide against each other without any lubrication or fluid present. It causes resistance when pushing objects along a surface, like a gardener pushing a wheelbarrow. The force applied to move the cart causes dry friction between the wheel and the ground.
Before the wheelbarrow starts moving, the static frictional force acts tangentially to the contact surface, opposing the force that is about to induce the motion. This frictional force prevents the...
Diabetic Foot Ulcer01:31

Diabetic Foot Ulcer

Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
Degenerative Disc Disease ll: Pathophysiology01:23

Degenerative Disc Disease ll: Pathophysiology

The symptoms of degenerative disc disease arise from a combination of mechanical compression, vascular compromise, and biochemical inflammation, which together disrupt nerve function and produce pain.Mechanical CompressionDisc degeneration reduces height and elasticity, predisposing to herniation of the nucleus pulposus, a major cause of radicular pain. Herniations may be protrusion (bulging with intact annulus), extrusion (nucleus extends beyond disc but remains connected), or sequestration...

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関連する実験動画

Updated: Jun 11, 2026

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment
06:47

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment

Published on: September 27, 2017

リウマチ性関節炎 (Rheumatoid arthritis) とは,関節のリウマチ性関節炎 (Rheumatoid arthritis) とは,関節のリウマチ性関節炎 (Rheumatoid arthritis)

D M Lee1, M E Weinblatt

  • 1Division of Rheumatology, Department of Medicine, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA.

Lancet (London, England)
|September 25, 2001
PubMed
まとめ
この要約は機械生成です。

リウマチ性関節炎の病原性を理解する最近の進歩は,新しい治療法につながりました. 将来の研究は,早期診断を改善し,疾患変異性抗レウマティック薬 (DMARDs) で治療をパーソナライズすることを目指しています.

さらに関連する動画

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
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Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

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Preliminary Study on Acupuncture Combined with Grain-sized Moxibustion for Treating Rheumatoid Arthritis with Finger Joint Pain
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Preliminary Study on Acupuncture Combined with Grain-sized Moxibustion for Treating Rheumatoid Arthritis with Finger Joint Pain

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関連する実験動画

Last Updated: Jun 11, 2026

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment
06:47

Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment

Published on: September 27, 2017

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
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Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

Published on: August 22, 2022

Preliminary Study on Acupuncture Combined with Grain-sized Moxibustion for Treating Rheumatoid Arthritis with Finger Joint Pain
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科学分野:

  • レウマトロジーの病理学
  • 免疫学 免疫学とは
  • 薬理学 薬理学とは

背景:

  • リウマチ性関節炎 (RA) は,社会に大きな影響を及ぼす一般的な全身性炎症性関節疾患です.
  • RAの病原性の細胞および分子機構は,ますます理解されています.
  • RAは相当な障害,経済的負担,生産性の低下を引き起こします.

研究 の 目的:

  • リウマチ性関節炎の病理生理学的理解における進歩をレビューする.
  • リウマチ性関節炎患者の治療戦略の改善について議論する.
  • RAの研究と治療における将来の方向性を強調する.

主な方法:

  • リウマチ性関節炎に関する最近の科学文献のレビュー.
  • 炎症性シノビチスの細胞および分子機構の分析.
  • 新型の関節リウマチ治療法の臨床試験データの評価.

主要な成果:

  • 過去10年間,RAの病理生理学を理解するうえで,かなりの進展がありました.
  • 活発なRA疾患に対する新しい治療法の開発と実証された有効性.
  • リウマチ性関節炎の治療法における重要な進歩.

結論:

  • 継続的な研究は,早期診断と進行性疾患の患者の特定に不可欠です.
  • 将来の取り組みは,病変変性抗レウマティック薬 (DMARDs) の使用を最適化することに焦点を当てます.
  • バイオテクノロジーと薬物設計は,より強力で特異的なRA薬剤療法への希望を提供します.