HSCI 131 Chapter 4 Vocab (Part 1)

structural component of the nucleus, composed of nucleic acids and proteins

threadlike structures within the nucleus composed of DNA that carries hereditary information encoded in genes

molecule that holds genetic information capable of replicating and producing an exact copy whenever the cell divides

sum of all physical and chemical changes that take place in a cell or an organism

cellular structure that provides a specialized function

study of the body at the cellular level

three main structures of cell

jellylike matrix of proteins, salts, water, dissolved gas, and nutrients

study of tissues

covers surfaces of organs, lines cavities and canals, forms tubes and ducts, provides secreting portions of glands, makes up epidermis

supports and connects other body tissues

provides the contractile tissue of the body

transmits electrical impulses as it relays information throughout the entire body

divides body into anterior and posterior

divides the body into top and bottom

divides the body into right and left

movement away from the midsagittal plane

movement toward the midsagittal plane

pertaining to the midline

pertaining to a side

toward the end or upper portion

away from the head, toward the tail or lower part

near the center or point of attachment

far from the center or point of attachment

front of the body

back of the body

pertaining to the outer wall of the body cavity

pertaining to the viscera or internal organs

lying on the abdomen, face down

lying horizontally on the back, face up

turning inward or inside out

turning outward

pertaining to the palm of the hand

pertaining to the sole of the foot

toward the surface of the body (external)

away from the surface of the body (internal)