Dictionary of ichthyology. 2009.
pharyngeal organ — diverticulum pharyngealis (epibranchial organ (a paired dorsal diverticulum at the posterior limit of the pharynx in certain microphagous fishes. Also called gill helix, pharyngeal organ, or pharyngeal pocket. In all forms with these organs,… … Dictionary of ichthyology
diverticulum pharyngealis — epibranchial organ (a paired dorsal diverticulum at the posterior limit of the pharynx in certain microphagous fishes. Also called gill helix, pharyngeal organ, or pharyngeal pocket. In all forms with these organs, except some characids,… … Dictionary of ichthyology
epibranchial organ — a paired dorsal diverticulum at the posterior limit of the pharynx in certain microphagous fishes. Also called gill helix, pharyngeal organ, or pharyngeal pocket. In all forms with these organs, except some characids, prominent gill rakers extend … Dictionary of ichthyology
gill-helix — diverticulum pharyngealis (epibranchial organ (a paired dorsal diverticulum at the posterior limit of the pharynx in certain microphagous fishes. Also called gill helix, pharyngeal organ, or pharyngeal pocket. In all forms with these organs,… … Dictionary of ichthyology
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
pouch — A pocket or cul de sac. SEE ALSO: fossa, recess, sac. antral p. a p. made in the antrum of the stomach of experimental animals. branchial pouches SYN: pharyngeal pouches. Broca p. SYN: puden … Medical dictionary
Click consonant — Manners of articulation Obstruent Plosive (occlusive) Affricate Fricative Sibilant Sonorant Nasal Flap/Tap Approximant … Wikipedia
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
Paranasal sinuses — Paranasal sinuses. Lateral projection of the paranasal sinus … 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
