Canaliculi is the tear drainage channel that extends from the lacrimal
sac to the opening in the mucous membrane of the nose.
<span>Canaliculi is the
tiny channel in each eyelid that forms part of the tear drainage system. The passage
is called canaliculus. Several small ducts in the eye is lacrimal canaliculi.</span>
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Answer:
Precambrian: 4055 million years; 88% Paleozoic: 300 million years; 7% Mesozoic: 179 million years; 4% Cenozoic: 66 million years; 1%Explanation:
The correct answer is option B
The correct pattern of flow of light information and the parts of eyes involved include the following -
Cornea
pupil
anterior chamber
lens
posterior cavity
retina
optic nerve
optic chiasm
Biologists who work in the fields of genomics and molecular biology study DNA genome content and analyze genetics on a molecular level. They do it to map DNA and use it to prevent diseases or anything similar.