After Four Days of Development, the Zygote Is Known as A/an

question 253

Essay

After four days of development, the zygote is known as a/an ________.

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Definitions:

Keratinocyte

The predominant cell type in the outer layer of the skin, responsible for the production of keratin.

Epidermis

The outermost layer of skin, serving as a barrier against environmental damage and pathogens.

Sweat Gland

A gland that produces sweat, found in the skin of mammals, which helps in thermoregulation and excretion.

Sebaceous Gland

A small gland in the skin which secretes a lubricating oily matter (sebum) into the hair follicles to lubricate the skin and hair.