relating to glands found in the dermis of the skin, that produce sebum

Excessively oily skin, due to overproduction of sebum

an oily substance produced by sebaceous glands in the skin

offspring produced by breeding from two individuals from the F1 generation; denoted as F2 in genetic notation

nerve fibres that carry impulses towards the central nervous system

the presence of pathogenic bacteria in the blood

the fluid that separates from blood when it clots

the pair of chromosomes that determine the gender of an individual

gene that influences a characteristic seen in either the male or the female

gene carried on one of the sex chromosomes