The following are true about tight junction: a. it forms a barrier to water b. it is found in the blood-aqueous barrier of the ciliary body c. it is found in the blood-retinal barrier at the apex of the retinal pigment epithelium d. all above

The following are true about tight junction:
a. it forms a barrier to water
b. it is found in the blood-aqueous barrier of the ciliary body
c. it is found in the blood-retinal barrier at the apex of the retinal pigment epithelium
d. all above
by

1 Answer

Answer :

all above
by

Related questions

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Neuromuscular blocking drugs do not produce central actions because: A. They do not cross the blood-brain barrier B. Nicotinic receptors are not present in the brain C. They are sequestrated in the periphery by tight binding to the skeletal muscles D. They do not ionise at the brain pH

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6 The blood-brain barrier, which restricts entry of many drugs into brain, is constituted by: A. P-glycoprotein efflux carriers in brain capillary cells B. Tight junctions between endothelial cells of brain capillaries C. Enzymes present in brain capillary walls D. All of the above

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The blood-brain barrier, which restricts entry of many drugs into brain, is constituted by: A. P-glycoprotein efflux carriers in brain capillary cells B. Tight junctions between endothelial cells of brain capillaries C. Enzymes present in brain capillary walls D. All of the above

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Which of the following categories of medications increases aqueous fluid outflow in the patient with glaucoma? a) Cholinergics Cholinergics increase aqueous fluid outflow by contracting the ciliary muscle, causing miosis, and opening the trabecular meshwork.

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Agonistic action on which of the following adrenergic receptors located on ciliary epithelial cells reduces aqueous secretion: A. β1 receptor B. β2 receptor C. α1 receptor D. α2 receptor

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Which one of the following acts as a physiological barrier to the entry of microorganisms in human body? a) Epithelium of Urogenital tract b) Tears c) Monocytes d) Skin

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What are the features for Human Retinal Pigment Epithelial Cells?

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Which of the following statement(s) is/are correct concerning cell junctions? a. The major occluding junction is the tight junction or zonula occludens b. Tight junctions are usually located near the basal pole of the cell c. Desmosomes are button-like points of attachment which serve to weld together adjacent cells d. Gap junctions are a type of cell junction specialized for cell communication

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What type of bias opposes the PN junction barrier?

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Barrier potential in a P-N junction is caused by

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The potential barrier at a P - N junction is due to

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