O

n23

OLFACTORY EPITHELIUM

a region of olfactory receptors or nerve endings within the lining of the nose. The epithelium is parted from the

OLIGOHYDRAMNIOS

noun. An insufficiency of amniotic fluid, that can result in mechanical interference with fetal motion leading to potential congenital impairments,

ONCOLOGY

the examination and remediation of non-cancerous and cancerous tumors. This department of medicine and of behavioral or populace sciences entails

ONIOMANIA

noun. compulsive shopping, or an unmanageable urge to spend money and to purchase without regard to requirement or utilization.

OOGENESIS

the procedure wherein germ cells separate and differentiate to generate female gametes. With regard to human females, primary oocytes are

OPEN SYSTEM THEORY

a theoretical viewpoint which sees the establishment as open to impact from the surroundings.

OPERANT BEHAVIOR

behavior which generates an impact upon the surroundings and whose probability of happening again is influenced by consequences. Operant behavior

OPERATIVE KNOWLEDGE

insights learned in the act of performing functions, considered to be more fundamental and more predictive of later intellectual behaviors

OPINION TESTIMONY

proof or signs which consists of inferences or conclusions instead of authentic facts viewed or encountered. Opinion testimony is generally

OPPONENT CELLS

neurons within the ocular system which depolarize whenever a specific stimulant comes on in the core of the neuron

OPTIC NERVE

the second cranial nerve, that transports the axons of retinal ganglion cells and continues from the retina on to the

OPTIMAL FUNCTIONING

the utmost potential degree of operation, particularly in the regions of valuable unions, work life, school, and subjective health.

ORAL BEHAVIOR

activities consisting of the mouth, like thumb sucking, smoking, ingesting food, kissing, biting one's nails, speaking, and oral sex.

ORBISON ILLUSION

any one of a set of geometric illusions wherein a figure or a line with straight boundaries, or a circle,

ORESTES COMPLEX

with regard to classical Freudian psychoanalysis, a son's repressed urge to murder his mother, that might result in the physical

ORGANIC HALLUCINOSIS

in the DSM-III, a state marked by continual or repetitive hallucinations generated by hallucinogens, alcohol, brain injury or malfunction, or,

ORGANISMIC PSYCHOLOGY

an approach to psychology which stresses the whole living being, refuting differences between body and mind.

ORGANIZATIONAL HIERARCHY

the sequence of command in an establishment, characterizing degrees of authority and accountability. People filling higher positions within the hierarchy

ORGONE

noun. the life energy and creative power in nature which was considered by Austrian psychoanalyst Wilhelm Reich to pervade the

ORTHO- (ORTH-)

combining form: 1. perpendicular or straight. 2. accurate or commonplace.