Glossary M

Medullary cavity refers to marrow cavity between the walls of the diaphysis, containing yellow or fatty marrow.

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Medulloblastoma refers to a brain tumor seen most frequently in children rapidly growing and very malignant located in the inferior vermis close to the exit of cerebrospinal fluid fr

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Meiosis refers to the process by which a germ cell divides, producing gametes (sperm or ova) that each contain half of the parent cell"s original complement of chromosomes; in humans,

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Meissner corpuscle refers to a receptor in the skin, associated with RA1mechanoreceptors. It has been proposed that the Meissner corpuscle is important for perceiving tactile slip an

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Melancholic features refer to specifier for a depressive episode in which the individual loses interest in most activities, awakens much earlier than usual in the morning, has signifi

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Deutsch: Melancholie / Español: Melancolía / Português: Melancolia / Français: Mélancolie / Italiano: Malinconia

Melancholy is a complex emotional state characterized by persistent sadness, introspection, and a diminished capacity for joy. Historically rooted in both medical and philosophical traditions, it has evolved from a humoral imbalance in ancient theories to a nuanced psychological construct in contemporary research. Unlike transient sadness, melancholy often involves a reflective, sometimes existential dimension that distinguishes it from clinical depression.

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- Melanie Klein (1882 - 1960) : Melanie Klein refers to an early child analyst whose theory emphasized the importance of the mother-child relationship and the development of the super ego during the oral stage of development. By using Play therapy, Klein believed that child analysis could begin as early as two (2) years of age. Klein's ideas concerning the psychology of children were usually in conflict with those of Anna Freud.

Melanocortin refers to a type of chemical that promotes satiety in the hypothalamus.

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