Combining form derm/o means: skin
The prefix derma- most often means skin... Like a dermatologist...derm means skinlike dermatology, Taxidermy, and Pachyderm
dermatitis inflammation of the skin derm is the root word and means skin derm/a root combining form is the letter derm/a/ itis suffix (itis) meaning inflammation
The combining form that means skin is "derm/o" or "dermat/o." These prefixes are derived from the Greek word "derma," which means skin. They are commonly used in medical terminology, such as in "dermatology," the study of skin and its diseases.
Derm- the combining form. Dermatology is the study of the skin. Dermatitis is an inflammation of the skin.
The combining form hist/o means
Xeno- is the combining form meaning strange or other.
The combining form that means "nail" is onych/o.
A hump is not a medical term, so I can't give you the correct combining form.
Combining form for shape
The prefix hepta- means seven.
The combining form that means hidden is "crypt-" as in "cryptic" or "cryptology."
The medical terminology combining form for "rapid" is "tachy-." For instance, tachycardia is abnormally rapid heartrate.