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Epicondyle

/ˌepiˈkänˌdīl/  /-ˈkändl/ Noun, pl. epicondyles 1. A protuberance above the condyle of a bone to which ligaments or tendons are attached. (wiktionary.org) 2. A protuberance above or on the condyle of a long bone, esp. either of the two at the elbow end of the humerus. (Google Dictionary) 3. A projection on a bone above a condyle serving for the attachment of muscles and ligaments. (wordnetweb.princeton.edu) Word origin: epi meaning “upon”; condyle meaning “knuckle” or “rounded articular...

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Epicranium

/epi·cra·ni·um/ (-kra´ne-um) Noun, pl. epicrania 1. The medical term for the collection of structures covering the cranium. It consists of the muscles, aponeurosis, and skin. (wikipedia.org) 2. (Zoology) The dorsal wall of the head of insects. (wiktionary.org) 3. The muscle and aponeurosis and skin covering the cranium. (wordnetweb.princeton.edu) Word origin: From Ancient Greek ἐπί (epi, “on top of”) and from Medieval Latin crānium (“skull”), from Ancient Greek κρανίον (kranion,...

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Epidemiology

ˌe-pə-ˌdē-mē-ˈä-lə-jē, -ˌde-mē- Noun, pl. epidemiologies 1. Science that deals with the major component of public health research, studying factors affecting the health of populations (dictionary.com) 2. The study of the distribution and determinants of health-related states and events in populations and the control of health problems, the study of epidemic disease. (biology-online.org) 3. the study (or the science of the study) of the patterns, causes, and effects of health and disease conditions in defined populations. It is the cornerstone of public health, and informs policy decisions and evidence-based medicine by identifying risk factors for disease and targets for preventive medicine. (wikipedia.com) 4. a branch of medical science that deals with the incidence, distribution, and control of disease in a population (merriam-webster.com) 5. the sum of the factors controlling the presence or absence of a disease or pathogen (merriam-webster.com)   Word Origin: From late Latin epidemia + International Scientific Vocabulary...

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Epidermis

/ˌepiˈdərmis/ Noun, pl. epidermides 1. The outermost and nonvascular layer of the skin, derived from the embryonic ectoderm, varying in thickness from 0.07–1.4 mm. On the palmar and plantar surfaces it comprises, from within outward, five layers: (1) basal layer (stratum basale), composed of columnar cells arranged perpendicularly; (2) prickle cell or spinous layer (stratum spinosum), composed of flattened polyhedral cells with short processes or spines; (3) granular layer (stratum granulosum) composed of flattened granular cells; (4) clear layer (stratum lucidum), composed of several layers of clear, transparent cells in which the nuclei are indistinct or absent; and (5) horny layer (stratum corneum), composed of flattened, cornified, non-nucleated cells. In the epidermis of the general body surface, the clear layer is usually absent. (Dorland’s Medical Dictionary for Health Consumers) 2. The outer, protective layer of the skin of vertebrates, covering the dermis. (wiktionary.org) 3. The similar outer layer of cells in invertebrates and plants. (wiktionary.org) 4. The outer layer of tissue in a plant, except where it is replaced by periderm. (Google Dictionary) Word origin: From Latin epidermis, from Ancient Greek ἐπιδερμίς (epidermis) (ἐπί, on top of) + dermis (< δέρμα(derma),...

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