MIASM, MIASMA. A poisonous, gaseous exhalation from decaying vegetation, or from the earth.
MIDWIVES. Females who attend women at childbirth.
MISCARRIAGE. Defined on page 682.
MOLECULE. A minute portion of any body.
MONADS. The smallest of all visible animalcules.
MONOMANIA. Insanity on one subject.
MUCO-PURULENT. Composed of mucus and pus.
MUCOUS MEMBRANE. The thin, web-like lining to the canals and cavities which secretes a fluid by which it is constantly lubricated.
MUCUS. A mucilaginous fluid found on the surface of certain membranes which keeps them soft and pliable. See MUCOUS MEMBRANE.
MUSCLE. The structures of the body which execute movements.
MUSCULAR TISSUE. The flesh forming the muscles of the body.
MYALGIA. Muscular rheumatism.
N
NARCOTICS. Medicines which stupefy.
NECROSIS. Mortification or death of bone.
NERVINES. Defined on page 345.
NERVOUS TISSUE. That part of the body composed of nerve-fibres.
NEURALGIA. Described on page 635.
NICOTIN. A poisonous principle of tobacco.
NITROGEN. One of the gases in the atmosphere.
NODES. Hard lumps, principally found upon the bones in syphilis.
NOXIOUS. Injurious.
NYMPHOMANIA. Extreme desire for sexual intercourse in the female.
O
OBSTETRICAL. Relating or appertaining to childbirth.
OCCLUSION. Approximation or closure.
OEDEMA. See EDEMA.
OLFACTORY NERVE. The nerve employed in the sense of smell. Illus. page 111.
ONANISM. See MASTURBATION
OPACITY. Opaque condition of parts of the eye, causing blindness.
OPALESCENT. Reflecting a milky light.
OPAQUE. See OPACITY.
OPHTHALMIA. Inflammation of the eye.
OPHTHALMIC. Belonging to the eye.
OPHTHALMOSCOPE. An instrument for examining the inside of the eye, for diagnostic purposes.
OPTIC NERVE. The nerve connecting the brain and eye, and employed in the sense of sight.
ORGANIC. Pertaining to the structure of an organ.
ORIFICE. Opening or mouth.
OSSEOUS TISSUE. Bony structure.
OSSIFICATION, OSSIFYING. Made into bone by the deposit of phosphate of lime.
OS UTERI. Mouth of womb. Illus. page 206.
OVA. Plural of ovum.
OVARIES. Two ovoid bodies situated either side of the womb. Illus. page 206.
OVARY. The female organ in which the ovum, or germ-cell, is formed.
Illus, page 206.
OVULATION. The formation of the germ-cell in the ovary and its release from that organ.
OVUM. Defined and illustrated on pages 12 and 13.
OXYGEN. The vital gas of the atmospheric air.