The $mesothelium$ is:
- AThe surface of a cavity derived from $mesoderm$.
- BThe surface of a cavity derived from $ectoderm$.
- CThe surface of the heart derived from $endoderm$.
- DThe surface of the heart derived from $mesoderm$.
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What is the function of a gap junction?
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View SolutionMatch the following:
Column-$I$ Column-$II$ $(a)$. Squamous epithelium $(i)$ Lining of intestine $(b)$. Cuboidal epithelium $(ii)$ Ovary $(c)$. Columnar epithelium $(iii)$ Blood vessels $(d)$. Ciliated epithelium $(iv)$ Bronchioles
| Column-$I$ | Column-$II$ |
| $(a)$. Squamous epithelium | $(i)$ Lining of intestine |
| $(b)$. Cuboidal epithelium | $(ii)$ Ovary |
| $(c)$. Columnar epithelium | $(iii)$ Blood vessels |
| $(d)$. Ciliated epithelium | $(iv)$ Bronchioles |
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View SolutionMatch the following columns:
Column-$I$ Column-$II$ $P$. Tight junctions $I$. Stop substances from leaking across a tissue $Q$. Adhering junctions $II$. Perform cementing to keep neighbouring cells together $R$. Gap junctions $III$. Facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells,for rapid transfer of ions,small molecules and sometimes big molecules
| Column-$I$ | Column-$II$ |
|---|---|
| $P$. Tight junctions | $I$. Stop substances from leaking across a tissue |
| $Q$. Adhering junctions | $II$. Perform cementing to keep neighbouring cells together |
| $R$. Gap junctions | $III$. Facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells,for rapid transfer of ions,small molecules and sometimes big molecules |
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