buccal photophore — a light organ just above the end of the jaw in Myctophidae. Abbreviated Bu … Dictionary of ichthyology
organ — Any part of the body exercising a specific function, as of respiration, secretion, or digestion. SYN: organum [TA], organon. [L. organum, fr. G. organon, a tool, instrument] accessory organs 1. SYN … Medical dictionary
Jacobson's organ — /jay keuhb seuhnz/, Anat., Zool. either of a pair of blind, tubular, olfactory sacs in the roof of the mouth, vestigial in humans but well developed in many animals, esp. reptiles. [1870 75; named after L. L. Jacobson (d. 1843), Danish anatomist] … Universalium
vomeronasal organ — n either of a pair of small blind pouches or tubes in many vertebrates that are situated one on either side of the nasal septum or in the buccal cavity and that are reduced to rudimentary pits in adult humans but are developed in reptiles,… … Medical dictionary
Mouth organ — Mouth Mouth (mouth), n.; pl. {Mouths} (mou[th]z). [OE. mouth, mu[thorn], AS. m[=u][eth]; akin to D. mond, OS. m[=u][eth], G. mund, Icel. mu[eth]r, munnr, Sw. mun, Dan. mund, Goth. mun[thorn]s, and possibly L. mentum chin; or cf. D. muil mouth,… … The Collaborative International Dictionary of English
vomeronasal organ — noun Date: circa 1926 either of a pair of small blind pouches or tubes in many vertebrates that are situated one on either side of the nasal septum or in the buccal cavity and that are reduced to rudimentary pits in adult humans but are developed … New Collegiate Dictionary
Sabellida — Taxobox name = Sabellida regnum = Animalia phylum = Annelida classis = Polychaeta subclassis = Palpata ordo = Canalipalpata subordo = Sabellida subdivision ranks = Families subdivision = *Oweniidae *Sabellariidae *Sabellidae *Serpulidae… … Wikipedia
Dental anatomy — Adult and Baby teeth diagram. Note the non standard Dental notation (numbering) Dental anatomy is a field of anatomy dedicated to the study of human tooth structures. The development, appearance, and classification of teeth fall within its… … Wikipedia
syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… … Medical dictionary
gland — An organized aggregation of cells functioning as a secretory or excretory organ. SYN: glandula (1) [TA]. [L. glans, acorn] accessory g. a small mass of glandular structure, detached from but lying near another and larger g., to which it is… … Medical dictionary