Download presentation
Presentation is loading. Please wait.
Published byKaroliina Tuominen Modified over 5 years ago
1
肌肉组织 The Muscle Tissue Skeletal muscle (No.9)(Drawing)
Cardiac muscle (NO.10) Smooth muscle (NO. 1)
2
肌肉组织: 概念:肌纤维、肌外膜、肌束膜、肌内膜 三种肌肉组织的分布 骨骼肌光镜结构,电镜结构 肌节组成 光镜下如何区别骨骼肌,心肌,平滑肌
闰盘的电镜结构
3
Skeletal muscle Connective tissue coverings
(responsible for force transduction): Epimysium: surround the entire muscle Perimysium: surround a muscle bundle Endomysium: surround individual muscle cells
4
Skeletal muscle: HE X100
5
Skeletal muscle: HE X100
6
Skeletal muscle:HEX400 Perimysium Endomysium Muscle fiber
Peripherally situated nuclei myofibrils Skeletal muscle:HEX400
7
Skeletal muscle: HEX400 Long cylindrical cell Multinucleate
Dark bands-A Light bands-I Skeletal muscle: HEX400
8
Cardiac muscle Endocardium Myocardium Epicardium
9
endocardium Purkinge fibers myocardium
10
Cardiac muscle:HEX100 Intercalated discs Cross striation
Elongated and centrally situated nuclei Cardiac muscle:HEX100
11
Cardiac muscle:HEX400
12
Cardiac muscle:HEX400 (cross section)
Cap Cardiac muscle:HEX400 (cross section)
13
Smooth muscle Adventitia Muscular layer Submucosa Mucosa
Small intestine: HEX40
14
Smooth muscle:HEX400 Elongated spindle-shaped cell
Centrally situated nucleus No cross striation Smooth muscle:HEX400
15
A few cells with nuclei CT betw. fibers Smooth muscle:HEX100
16
Skeletal Muscle (Drawing)
1.Cross Section: Epimysium Perimysium Endomysium 2. Longitudinal Section: I,A band, sarcomere
17
The end
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.