a structure that is composed of hard keratin used as a tool

the membranes that line body cavities closed to the exterior

a cell involved in the maintaining of adipose

a feature defined by distinct apical and basal surfaces

a group of cells working together for a common function

a gland that excretes a salty water in response to stress and temperature

the membranes that line body cavities open to the exterior

it is mineralized in bone to provide structure and protection

an apical surface feature defined by whip-like, highly motile extensions that move fluid and substances in one direction

a belt-like junction on apical cells that form a seal to prevent anything from moving between cells

the smooth muscle attached to the hair follicle

the membrane that covers the body surface

a cell involved in the production of connective tissue proper

the epithelial lining the urinary bladder designed to stretch

common in white blood cells, these organelles are the demolition crew of the cell, using digestive enzymes to get rid of unwanted substances

the layer of the epidermis with high miotic activity that contains Merkel cells and melanocytes

the three locations one can find serous membranes

a highly vascularized connective tissue proper involved in the immune system, that underlies most epithelia and contains mast cells

the epithelium found in lungs used for diffusion

cytoskeletal elements from largest diameter to smallest diameter

a rare cancer that can begin where ever pigment is present in the skin

the areas where one can find mucous membranes

the connective tissue with a highly fluid matrix with the primary function of transport

the epithelium found in salivary glands with the purpose of protection and secretion

a mutation that causes faulty linker proteins in cardiac muscle desmosomes, leading to thin myocardium and sudden death