segment dorsal

См. также в других словарях:

• Dorsal root ganglion — This is a dorsal root ganglion (DRG) from a chicken embryo (around stage of day 7) after incubation overnight in NGF growth medium stained with anti neurofilament antibody. Axons growing out of the ganglion are visible …   Wikipedia

• dorsal — Neural Neu ral, a. [Gr. ney^ron nerve.] (Anat. & Zo[ o]l.) relating to the nerves or nervous system; taining to, situated in the region of, or on the side with, the neural, or cerebro spinal, axis; opposed to {hemal}. As applied to vertebrates,… …   The Collaborative International Dictionary of English

• segment — Division of an appendage [Perez Farfante and Kensley, 1997]. Individual component of crustacean limb connected by movable articulation with adjoining segments. (Syn. podomere (not equivalent to somite, though used by some authors in this sense).… …   Crustacea glossary

• dorsal plate — 1. (ARTHROPODA: Chelicerata) In Mesostigmata, the dorsal plate on the body. 2. (ARTHROPODA: Crustacea) In Decapoda, a spindle shaped division of the carapace. 3. (ARTHROPODA: Insecta) a. In Buprestidae larva, the plate or disk on the dorsal… …   Dictionary of invertebrate zoology

• segment — 1. A section; a part of an organ or other structure delimited naturally, artificially, or by invagination from the remainder. SYN: segmentum [TA]. SEE ALSO: metamere. 2. A territory of an organ having independent function, supply, or drainage. 3 …   Medical dictionary

• dorsal ostioles — (ARTHROPODA: Insecta) In Pseudococcidae, the dorsal tranverse, slit like openings on the pronotum and the sixth abdominal segment …   Dictionary of invertebrate zoology

• dorsal process — (Class Ostracoda): Dorsal forked projection of basal segment of maxillule [Stachowitsch, 1992] …   Crustacea glossary

• dorsal pore — noun : an opening in the mid dorsal part of nearly every segment in many earthworms by which the body cavity is placed in communication with the exterior and which is believed to permit moistening of the body surface with coelomic fluid for… …   Useful english dictionary

• dorsal tuft — (ARTHROPODA: Insecta) In mosquito larvae, a tuft of long setae on the dorsum of the ninth segment of the abdomen …   Dictionary of invertebrate zoology

• Ventral segment — Ventral Ven tral, a. [L. ventralis, fr. venter the belly; perhaps akin to G. wanst: cf. F. ventral.] 1. (Anat.) Of, pertaining to, or situated near, the belly, or ventral side, of an animal or of one of its parts; hemal; abdominal; as, the… …   The Collaborative International Dictionary of English

• Troisième segment thoracique — Métathorax Le métathorax est la troisième partie (segment arrière) du thorax de l insecte et se trouve entre le mésothorax et l abdomen. On l appelle encore T3. C est ce métathorax qui porte la troisième paire de pattes. Il porte aussi la… …   Wikipédia en Français