Muscle tissue 1
-
Upload
james-h-workman -
Category
Education
-
view
996 -
download
2
description
Transcript of Muscle tissue 1
![Page 1: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/1.jpg)
Muscle Tissue 1
Muscle types and functional characteristicsLevels of organization and microanatomy of muscle
![Page 2: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/2.jpg)
The basicsMuscles are attached to bonesMuscles contract (get shorter) and move bonesMuscles comprise 40-50% of body massMyology
Study of muscle anatomy and physiology
Myo- Mys- Sarco- = prefixes that reference muscle
![Page 3: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/3.jpg)
Muscle functional characteristicsExcitable / excitability
ability to respond to stimuli
Contractile / -ilityability to shorten; initiated by nerve signal (action potential)
Extensible / -ilityability to stretch; lengthen
Elastic / -icityability to return to original length
![Page 4: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/4.jpg)
Types of muscleSkeletal
Attached to bones, striated, voluntary
CardiacForms heart, striated, involuntary
SmoothWalls of blood vessels, stomach intestines, hair follicles, non-striated, involuntary
![Page 5: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/5.jpg)
Muscle FunctionsMotion
contraction moves bones; bodyblood flowperistalsis (squeezing of intestines)gall and urinary bladder contraction
Posture maintenance / joint stabilization
Thermoregulationcontraction results in heat energy release
![Page 6: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/6.jpg)
![Page 7: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/7.jpg)
![Page 8: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/8.jpg)
![Page 9: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/9.jpg)
Skeletal muscle contraction(microanatomical TEM)
![Page 10: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/10.jpg)
![Page 11: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/11.jpg)
![Page 12: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/12.jpg)
![Page 13: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/13.jpg)
Skeletal muscle tissue organization
![Page 14: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/14.jpg)
![Page 15: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/15.jpg)
ConnectionsTendons
Dense connective tissue continuous with deep fascia, connect muscles to periosteum
AponeurosesBroad flat tendon attachment to bone, or to different muscle, or skin
![Page 16: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/16.jpg)
![Page 17: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/17.jpg)
![Page 18: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/18.jpg)
![Page 19: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/19.jpg)
![Page 20: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/20.jpg)
Microanatomy
![Page 21: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/21.jpg)
![Page 22: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/22.jpg)
![Page 23: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/23.jpg)
![Page 24: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/24.jpg)
![Page 25: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/25.jpg)
![Page 26: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/26.jpg)
![Page 27: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/27.jpg)
Muscle Contraction RequirementsNerve impulse
A nerve penetrates every muscleSynaptic bulb / neuromuscular junction = muscle connection with nerve cell
BloodSupplies energy, nutrients, oxygenRemoval of waste and heatEach muscle fiber is in contact with capillaries
![Page 28: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/28.jpg)
![Page 29: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/29.jpg)
![Page 30: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/30.jpg)
![Page 31: Muscle tissue 1](https://reader036.fdocuments.us/reader036/viewer/2022062312/555d110dd8b42ab2228b48c9/html5/thumbnails/31.jpg)