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coated pits

   Also found in: Dictionary/thesaurus, Legal, Financial, Encyclopedia, Wikipedia 0.02 sec.
pit (pit)
1. a hollow fovea or indentation.
2. a pockmark.
3. a small depression or fault in the dental enamel.
4. to indent, or to become and remain for a few minutes indented, by pressure.
5. a small depression in the nail plate.

anal pit  proctodeum.
arm pit  the axilla or axillary fossa.
coated pits  small clathrin-coated pits occurring in the plasma membrane of many cells and involved in receptor-mediated endocytosis.
ear pit  preauricular p.
lens pit  a pitlike depression in the ectoderm of the lens placode where the primordial lens is developing.
olfactory pit  the primordium of a nasal cavity.
otic pit  a depression appearing in each otic placode, marking the beginning of embryonic development of the internal ear.
preauricular pit  a small depression anterior to the helix of the ear, sometimes leading to a fistula or congenital preauricular cyst.

coated pits
regions of the cell membrane which are coated with bristle-like structures on their cytoplasmic surface and are involved in endocytosis. The coated pit is pinched off to form a coated vesicle, which is involved in intracellular vesicle transport between the cell's organelles.


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? Mentioned in ? References in periodicals archive
 
; and a stretch of amino acids that falls on the cytoplasmic side of the membrane and anchors the receptors to their characteristic surface sites, structures called coated pits.
 
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