pigment cell उदाहरण वाक्य
उदाहरण वाक्य
- In human fetal life, this area produces melanocyte stimulating hormone or MSH which causes the release of melanin pigment in skin melanocytes ( pigment cells ).
- Neural crest cells will migrate through the embryo and will give rise to several cell populations, including pigment cells and the cells of the peripheral nervous system.
- These photophores have a " lens " of chromatophores, pigment cells which may allow the squid to modify the colour of the light produced by the photophores.
- To prevent light entering at an angle from being detected by the ommatidium it entered, or by any of the neighboring ommatidia, six pigment cells are present.
- These observations suggest a role for mammalian MC1R outside the pigment cell, though the exact mechanism through which the protein can modulate pain sensation is not known.
- Research has shown that this change in coloration is due to the differential action of the pineal hormone melatonin on pigment cells in different regions of the integument.
- Pigmentary glaucoma ( also, pigmentary dispersion syndrome ) is caused by pigment cells sloughing off from the back of the iris and floating around in the aqueous humor.
- The suppression of pigment cells ( melanocytes ) in the iris and in the stria vascularis of the cochlea ( inner ear ) leads to blue eyes and deafness.
- More common than a complete absence of pigment cells is localized or incomplete hypopigmentation, resulting in irregular patches of white on an animal that otherwise has normal colouring and patterning.
- The skin of face and hands has about twice the amount of pigment cells as unexposed areas of the body, as chronic exposure to the sun continues to stimulate melanocytes.