The correct option is D A- r, B- s, C- q, D- p
The perichondrium is a layer of dense irregular connective tissue, that surrounds the cartilage of developing bone. Periosteum is a membrane, that covers the outer surface of all bones, except at the joints of long bones. Sarcolemma also called the myolemma, is the cell membrane of a striated muscle fibre cell. Neurilemma is the outermost nucleated cytoplasmic layer of Schwann cells, that surrounds the axon of the neuron. It forms the outermost layer of the nerve fibre in the peripheral nervous system. So, the correct answer is option B.