branchial groove


branchial groove
the horizontal groove in which gill openings are found in the larval ammocoetes of lampreys (Petromyzontidae)

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • branchial groove — Embryol. one of a series of rudimentary depressions on the surface of the embryo between adjacent branchial arches, homologous to the branchial clefts of gill breathing ancestral forms. Also called visceral groove. * * * …   Universalium

  • branchial groove — Embryol. one of a series of rudimentary depressions on the surface of the embryo between adjacent branchial arches, homologous to the branchial clefts of gill breathing ancestral forms. Also called visceral groove …   Useful english dictionary

  • branchial fistula — a cutaneous fistula running between the side of the neck and the pharynx, resulting from failure of closure of the second pharyngeal (branchial) groove and second pharyngeal pouch; called also cervical f …   Medical dictionary

  • groove — A narrow, elongate depression or furrow on any surface. SEE ALSO: sulcus. alveolobuccal g. the upper and lower half of the buccal vestibule on each side. SYN: alveolobuccal sulcus, gingivobuccal g., gingivobuccal sulcus. alveololabial g. 1. the… …   Medical dictionary

  • Branchial cyst — Also called a branchial cleft cyst, this is a cavity that is a remnant from embryologic development present at birth in one side of the neck just in front of the large angulated muscle on either side (the sternocleidomastoid muscle). The cyst may …   Medical dictionary

  • branchial cleft — noun one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes • Syn: ↑gill slit, ↑gill cleft • Hypernyms: ↑structure, ↑anatomical structure, ↑complex body part, ↑bodily structure, ↑ …   Useful english dictionary

  • branchial sinus — an abnormal cavity or space that opens externally on the inferior third of the neck, anterior to the sternocleidomastoid muscle; it usually results from persistence of the second pharyngeal groove and cervical sinus …   Medical dictionary

  • Pharyngeal groove — Pattern of the branchial arches. I IV branchial arches, 1 4 branchial pouches (inside) and/or pharyngeal grooves (outside) a Tuberculum laterale b Tuberculum impar c Foramen cecum d Ductus thyreoglossus e Sinus cervicalis …   Wikipedia

  • visceral groove — Embryol. See branchial groove. * * * …   Universalium

  • visceral groove — Embryol. See branchial groove …   Useful english dictionary


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.