dorsal

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dorsal

 [dor´sal]
directed toward or situated on the back surface, as opposed to ventral. See also posterior.

dor·sal

(dōr'săl),
1. Pertaining to the back or any dorsum. Synonym(s): tergal
2. Synonym(s): posterior (1)
3. In veterinary anatomy, pertaining to the back or upper surface of an animal. Often used to indicate the position of one structure relative to another; that is, nearer the back surface of the body.
4. Old term meaning thoracic, in a limited sense; for example, dorsal vertebrae.
[Mediev. L. dorsalis, fr. dorsum, back]

dorsal

(dôr′səl)
adj.
1. Anatomy Of, toward, on, in, or near the back or upper surface of an organ, part, or organism.
2. Botany Of or on the surface of an organ or part facing away from the axis; abaxial.

dor′sal·ly adv.

dor·sal

(dōr'săl)
1. Pertaining to the back or any dorsum.
2. Synonym(s): posterior (2) .
[Mediev. L. dorsalis, fr. dorsum, back]

dorsal

Relating to the back or towards the back. Compare VENTRAL.

dorsal

  1. (of an animal) the part that normally occurs uppermost. The back of an animal is called the dorsal surface. In primates in the upright position the dorsal surface is directed backwards.
  2. (of a plant) of, or situated on the side of an organ that is directed away from the axis. See also DORSIVENTRAL LEAF.

dorsal

Relating to either the back (posterior), or to the top in brain orientation. See magnocellular visual system; ventral.

dor·sal

(dōr'săl)
Pertaining to the back or any dorsum.
[Mediev. L. dorsalis, fr. dorsum, back]

Patient discussion about dorsal

Q. Is there any reason behind this? a bipolar woman is mostly misdiagnosed for depression…..is there any reason behind this?

A. freebrid12 is right, and there's another thing- depression is a very common diagnosis amongst women and bipolar is less common. therefore psychiatrist tend to diagnose depression more then bipolar disorder.

Q. I have been having chronic pain in sinus area and behind my eyes, been to ENT who states it is not infection? I wake up with the pain and go to sleep in severe pain. Its all day and all night. Dr insists that its migraine related and allergy related. I have chronic postnasal drainage. It started 4 months ago when I moved into our new house. The pain makes me extremely fatigue and dizzy at times. I have been referred to the eye doctor, a headache specialist and an allergy specialist. Just recently I have had a CT scan and an MRI, as well as xrays of my sinus. Nothing other than a deviated septum and possible allergies from an ENT has been diagnosed. In the mean time I am waiting for the days to come when I can get into see these specialist. Anyone out there have any of the same symptoms?? Need help here. Soooooo sick of the pain.

A. i have chronic sinusitis and can really relate to what you describe. learned to live with the pain...but still, i use various ways to reduce inflammation in my sinuses, i heat the place up before going to sleep, try to avoid eating or drinking cold stuff.
another thing i do is i heat water (80c) then add a special oil i bought in a chinese medicine store , about 5 drops, and inhale the fumes. nettle tea can do wonders too.

Q. info on arachnoid cyst in the right posterior fossa

A. Basically it's like a small sac filled with fluid. The problem is that the skull is a rigid closed space, which means that if there's something other than the brain, it'll occupy space, usually on expense of the brains' space. These kinds of problems are often referred to as "space occupying lesion".

It's usually congenital (i.e. develops during pregnancy), and even when it cause symptoms they develop slowly.

YOu can read more here (http://en.wikipedia.org/wiki/Arachnoid_cyst)

More discussions about dorsal
References in periodicals archive ?
grelli par un nombre plus leve de rayons dorsaux et a l'anale des males et des femelles, par l'insertion plus anterieure de la dorsale par rapport a la naissance de l'anale, par un nombre plus eleve d'ecailles en series transversales, plus d'ecailles autour du pedoncule caudal et par la presence de lignes submarginales bleu clair sur les nageoires dorsales, anale et caudale des femelles.
Ces A@thiques dont l'A@pine dorsale est la prA@servation de ce renom mA@ritA@ qui reprA@sente le prolongement logique de celui marquA@ par nos Chouhada avec leur sang.
se distingue des autres especes de Papiliolebias par une combinaison de caracteristiques: le patron de coloration du corps entier du male, la caudale et la pelvienne sont rouge-brun (au lieu de bleu fonce); la presence de barres transversales rouge-brun dans la dorsale et l'anale situees entre la barre noire et blanche a la base de la dorsale et de l'anale et d'une zone bleue dans la partie distalc de la dorsale et de l'anale (contre l'absence d'une ligne rouge-brun pour le reste des especes du genre oil dorsale et anale sont bleues avec une ligne noire et des taches blanches a la base des nageoires); la naissance de la dorsale verticalement par la base des rayons 9 et 10 de l'anale (au lieu d'une naissance de la dorsale verticalement par la base des rayons 7 et 8 de l'anale pour 1?
Vale mencionar que, aunque la descripcion original de Peters (1866) indica claramente que la especie tiene pelos dorsales unicoloreados, la ausencia del holotipo y las argumentaciones de La Val (1973) respecto a que esta especie seria consecuencia de una descripcion compuesta por caracteres presentes en la especie Myotis keaysi, fueron algunas de las razones que lo llevaron a mantener como valida a M.
maculipinnis, con el cual comparte una moda similar en relacion a los valores meristicos dorsales, anales y branquiales, a pesar de ambas especies presentaren una distribucion alopatrica, la primera es restringida a la cuenca del Rio Coatzacoalcos y la segunda a la cuenca del Rio Papaloapan.
Las escamas frecuentemente poseen engrosamientos apicales coloreados, auriculas laterales, callos en forma de arcos y apendices dorsales.
3a Mas de 300 camaras radiales dorsales. Formula de miotomos: 40 a 45 (44) + 14 a 19 (16) + 8 a 9 (9); proceso rostral corto Branchiostoma californiense (Fig.
La primera, luego de su origen, cursa rostral por la superficie lateral del musculo geniogloso, y con un trayecto sinuoso, se dirige hacia el vertice de la lengua, proporcionando las ramas linguales dorsales (Rami dorsales linguae).