The special structure at the junction of two adjacent cells in cardiac muscle is ()
A. tight junction
B. intermediate junction
C. Desmosome
D. gap junction
E. intercalated disc
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Blood smears are stained with ()
A. HE staining
B. Silver staining
C. PAS
D. Aldehyde-fuchsin staining
E. Wright’s or Giemsa staining
Which is not correct about erythrocytes? ()
A. biconvex discs
B. 7.5μm in diameter
C. quite flexible
D. no nucleus,no organelles
E. rich in hemoglobin
Isogenous group is ()
A. seen at periphery of cartilage
B. seen at periphery of bone
C. a group of chondrocytes within a single lacuna
D. a single chondrocyte within one lacuna
E. a group of immature flattened chondrocytes
Which is not correct about collagenous fibers? ()
A. They are termed white fibers.
B. Collagenous fibers are composed of collagenⅠand Ⅱ.
Collagenous fibers consist of collagenous fibrils.
D. It also shows periodic cross-bandings .
E. In an HE preparation, the fibers are acidophilic and stain weakly pink.
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