肌肉组织 The Muscle Tissue

●●● ●●●● ●●●●● ●●●● ●●●●● ●●●● 肌肉组织 The Muscle Tissue 1.Skeletal muscle(no 9) Drawing 2. Cardiac muscle No10 3.Smooth muscle( No. 1) 20140319

肌肉组织 The Muscle Tissue 1.Skeletal muscle (No.9)(Drawing) 2.Cardiac muscle (NO.10) 3.Smooth muscle (NO. 1) 20140319

●●● Skeletal muscle ●●●● ●●●● Connective tissue coverings (responsible for force transduction) Epimysium: surround the entire muscle Perimysium: ‰G surround a muscle bundle Endomysium: surround individual musele cells

Connective tissue coverings (responsible for force transduction): Epimysium: surround the entire muscle Perimysium: surround a muscle bundle Endomysium: surround individual muscle cells Skeletal muscle

●● ●●● ●● ●●● ●● 骨骼肌 Skeletal muscle.HE X100

Skeletal muscle: HE X100

●● ●●● ●● ●●● ●● 骨 , Skeletal muscle: HE X100

Skeletal muscle: HE X100

●●● ●●●● ●●●●● ●●●● ●●●●● ●●●● 肌内膜 o Perimysium 肌外膜 Endomysium ● Muscle fiber o Peripherally situated nucle omyoTibrIs Skeletal muscle: HEX400

Skeletal muscle:HEX400 ⚫Perimysium ⚫Endomysium ⚫Muscle fiber ⚫Peripherally situated nuclei ⚫myofibrils

●●● ●●●● ●●●●● ●●●● ●●●●● ●●●● ong cylindrical cell ● Multinucleate ● Dark bands-A 带 Light bands 带 Skeletal muscle: heX400

Skeletal muscle: HEX400 ⚫Long cylindrical cell ⚫Multinucleate ⚫Dark bands-A ⚫Light bands-I

●●● Cardiac muscle ●●●● ●●●●● ●●●● ●●●●● ●●●● Endocardium Myocardium Epicardium

Cardiac muscle Endocardium Myocardium Epicardium

●●● ●●●● ●●●●● ●●●● ●●●●● Histology Lab Part 8: Slide 21 ●●●● endocardium Purkinge fibers myocardium

Purkinge fibers endocardium myocardium

●●● ●●●● ●●●●● ●●●● ●●●●● ●●●● iNtercalated discs ● Cross striation eLongated and centrally situated nuclei Cardiac muscle: HEX100

Cardiac muscle:HEX100 ⚫Intercalated discs ⚫Cross striation ⚫Elongated and centrally situated nuclei

●●● ●●●● ●●●●● ●●●● ●●●●● ●●●● Cardiac muscle. hEX400

Cardiac muscle:HEX400