phospholipid

Cell boundary lipid

A phospholipid is a type of fat molecule with a phosphate group attached, making one end water-attracting and the other water-repelling.

This dual nature allows phospholipids to form the basic structure of cell membranes, arranging themselves in a double layer with fatty tails facing inward.

The phospholipid bilayer acts as a selective barrier.

aggregation

liposome

Bilayer sphere for delivery

emulsion · dispersion · nanoparticle · drug delivery · encapsulation

structure

hydrophilic

Tending to absorb water

choline · serine · ethanolamine · inositol · backbone · saturated · unsaturated · polarity · dipole

types

lecithin

Natural emulsifying compound

bilayer

cholesterol

Waxy lipid in blood

phase transition · permeability · curvature · thickness · packing

metabolism

lipogenesis

Metabolic fat production process

turnover · degradation · biosynthesis · hydrolysis

membrane

plasma membrane

Lipid bilayer enclosing cytoplasm

glycoproteins · glycolipids · nuclear envelope

signaling

prostaglandins

Lipid-derived signaling compounds

Categories
Opposites
lipid structural type

phospholipidtriglyceride

Glycerol plus three acids

fatty acid · wax · sterol · cholesterol

membrane component function

phospholipidcarbohydrate

Sugar or starch compound

protein · nucleic acid · polysaccharide · DNA · amino acid

Family

phospholipids

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