lung bud
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bud — 1. An outgrowth that resembles the b. of a plant, usually pluripotential, and capable of differentiating and growing into a definitive structure. 2. To give rise to such an outgrowth. SEE ALSO: gemmation. 3. A small outgrowth from a parent cell;… … Medical dictionary
Development of human lung — The development of human lung arises from the laryngotracheal groove. The larynx, trachea, bronchi and lungs begin to form during the fourth week of embryonic development.[1] At this time, the respiratory diverticulum (lung bud) appears ventrally … Wikipedia
Crack lung — is an acute injury to the lungs due to heavy crack cocaine smoking. Crack cocaine smoke constricts blood vessels in the lungs and prevents oxygen and blood from circulating. Extreme crack cocaine abuse results in scarring and permanent damage,… … Wikipedia
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
Diverticulum — A small bulging sac pushing outward from the colon wall is a diverticulum. As a person ages, pressure within the large intestine (colon) causes pockets of tissue (sacs) that push out from the colon walls. The plural is diverticula. Diverticula… … Medical dictionary
recess — A small hollow or indentation. SYN: recessus [TA]. [L. recessus] anterior r. a circumscript deepening of the interpeduncular fossa in the direction of the mamillary bodies. SYN: recessus anterior [TA]. anterior r. of tympanic … Medical dictionary
embryonic period — the earliest period or phase of lung development in utero, lasting from the third week after conception to the sixth week; it is sometimes not named as a defined period of lung development, which is instead considered to begin with the following… … Medical dictionary
Lateral plate mesoderm — Infobox Embryology Name = PAGENAME Latin = GraySubject = 6 GrayPage = 50 Caption = Transverse section of a chick embryo of forty five hours’ incubation. * Chordamesoderm: yellow, at notochord. * Paraxial mesoderm: red, at somite. * Intermediate… … Wikipedia
malformation — Failure of proper or normal development; more specifically, a primary structural defect that results from a localized error of morphogenesis; e.g., cleft lip. Cf.:deformation. Arnold Chiari m. malformed posterior … Medical dictionary
lungfish — /lung fish /, n., pl. (esp. collectively) lungfish, (esp. referring to two or more kinds or species) lungfishes. any of various slender, air breathing fishes of the order (or subclass) Dipnoi, of rivers and lakes in Africa, South America, and… … Universalium
