PROTOPLASM n.
able and animal cells, possessed of vital properties by which the processes of nutrition, secretion, and growth go forward; the so-called " physical basis of life;" the original cell substance, cytoplasm, cytoblastema, bioplasm sarcode, etc.
SEBACEOUS a.
g to, or secreting, fat; composed of fat; having the appearance of fat; as, the sebaceous secretions of some plants, or the sebaceous humor of animals. Sebaceous cyst (Med.), a cyst formed by distention of a sebaceous gland, due to obstruction of its excretory duct. -- Sebaceous glands (Anat.), small subcutaneous glan…
SEPIA n.
A pigment prepared from the ink, or black secretion, of the sepia, or cuttlefish. Treated with caustic potash, it has a rich brown color; and this mixed with a red forms Roman sepia. Cf. India ink, under India. Sepia drawing or picture, a drawing in monochrome, made in sepia alone, or in sepia with other brown pigments…
THIRST n.
eprivation of drink, or by some other cause (as fear, excitement, etc.) which arrests the secretion of the pharyngeal mucous membrane; hence, the condition producing this sensation. Wherefore is this that thou hast brought us up out of Egypt, to kill us, and our children . . . with thirst Ex. xvii. 3. With thirst, with…