Question

Can someone give examples of macroscopic cells...

Answer 1

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Answer 2

The Oocyte(egg cell) is the largest human cell and can be seen by the naked eye.
Human egg cell is a little over 1/10 of a mm so it can be seen with the naked eye. It is about the size of a single pixel on a modern laptop screen.

Many species of single-celled organisms are in fact large enough to be seen by the naked eye. The human eye is able to perceive cells as small as parameciums, under the proper lighting, but single-celled organisms can indeed grow much Caulerpa, a plant-like single-celled algae that develops multiple nuclei and grows leaf-like fronds, and can develop up to a length of thirty to ninety inches, or up to one to three meters in length. The odds are good that you have seen a Caulerpa sometime during your life, as they are a common species of seaweed that is very popular in domestic aquariums

The largest biological cell is often cited as the ostrich egg, which is about 15 cm (6 in) long and weigh about 1.4 kg (3 lb)The first type of cell larger than the ostrich egg are nerve cells in especially long animals, such as the Giant Squid and Colossal Squid, which may have nerve cells as long as 12 m (39 ft)


From answers.com
and
http://www.wisegeek.com/what-is-the-largest-biological-cell.htm
These are the macroscopic cells known.........