shell gland meaning in Hindi

Examples

1. In cartilaginous fishes, the middle portion of the tube develops as a shell gland.
2. A thin translucent shell is secreted by the shell gland forming the notable straight hinge of the prodissoconch I shell.
3. Instead, a segmented shell gland forms on one side of the larva, and a foot forms on the opposite side.
4. In birds, monotremes, and some reptiles, a homologous part of the oviduct leads from the shell gland to the cloaca.
5. When the larva is ready to become an adult, the body elongates, and the shell gland secretes the plates of the shell.
6. Below the shell gland is the "'ovisac "', a distended region in which eggs are stored prior to laying.
7. Once in the form of DDE, the chemical impacts the metabolism of calcium in adult female birds shell glands, ultimately causing a decrease in eggshell thickness.
8. The distal part of the ovovitelloducts is usually sorrrounded by shell glands, which secrete the material that forms the shell of the eggcase ( also called cocoon ).
9. After the egg is surrounded by yolk cells, its shell is formed from the secretion of another gland called Mehlis'gland or shell gland, the duct of which also opens in the ootype.
10. The biological thinning mechanism is not entirely understood, but strong evidence indictates that p, p'- DDE inhibits calcium ATPase in the membrane of the shell gland and reduces the transport of calcium carbonate from blood into the eggshell gland.