Ovaries. Two small ovoid bodies, one on each side of the uterus, in which the ova are formed. Oviduct. See Fallopian tobe. Ovulation. The formation of the ova in the ovary, and the discharge of the same. Ovule. See Ovum. Ovum. Germ cell, a small, round vesicle situated in the ovaries, and which, when fecundated, constitutes the rudiments of the embryo. Parturition. Labor, delivery, child-birth, the expulsion of the child from the womb. Pathologic. Relating to the diseased condition of tie body. Pelvis. The bony cavity situated at the lower end of the spinal column and supported by the thighs. Periodicity. The recurrence of physiologic phenomena at regular intervals. Periphery. The circumference of an organ. Peristaltic Action. An alternate contraction, making small, and enlargement of the bowel; it is by this means that foods, etc., are forced along its passage. Peritoneum. A serous membrane which lines the abdominal cavity, and wholly or in part envelopes the organs contained in it; it also partly covers the organs contained in the pelvic cavity. Phenomena. Remarkable appearances. Physical. Pertaining to the body. Placenta. After-birth, a soft, spongy, vascular body adherent to the uterus, and which is connected with the embryo through the umbilical cord. Plethora. A condition marked by a superabundance of blood. Postpartum Hemorrhage. Hemorrhage following labor. Pregnant. Enceinte, gravid; the state of a woman who is with child. Premature Labor. The expulsion of the fetus between the end of the twenty-eighth week and the time that labor ought to have occurred. Propagation. The spreading or extension of a thing. Pruritus Vulva. An intense itching of the privates, or vulva. Psychic. Pertaining or belonging to the mind. Puberty. Sexual maturity; nubility; that period of life in which young people of both sexes are capable of procreating children. Pubes or Pubis. The lowest and middle part of the pelvis in its anterior surface. Puerperium. The lying-in after child-birth. Quickening. The sensation experienced by the mother as the result of active fetal movements in the womb. Rectum. The lower extremity of the large intestine. Reflex. The reflection of an impulse from a nerve-center which has been received from elsewhere by that center. Reproduction. See Generative. Respiration. Breathing. Rugs. Wrinkles. Rut. The copulation of animals. Septicemia, Puerperal. Childbed fever. Sexual. That which relates to sex. See Generative. Smegma. A cheesy substance which may collect about the vulva. Spermatozoa. The essential male fertilizing elements. Sympathetic Nervous System. Presides over involuntary acts; as digestion, breathing, etc. Syphilis. A venereal disease which is highly contagious by coition, contact with the lips, etc. Tachycardia. Distress in the region of the heart, with palpitation and shortness of breath.