Final answer:
The combining form meaning skin is 'c) Cutane', and skin cells originate from the 'a. ectoderm', which is one of the three primary germ layers in the early embryo.
Step-by-step explanation:
Combining Form Meaning Skin and Origin of Skin Cells
The combining form meaning skin is c) Cutane. This form is often used in medical terms related to the skin, such as cutaneous, which pertains to the skin. Regarding the origin of skin cells, skin cells arise from the a. ectoderm. The ectoderm is one of the three primary germ layers in the early embryo which gives rise to the outermost layer of the skin (epidermis), as well as to the nervous system and various other structures.