Dictionary » D » Dorsal

Dorsal

Definition

adjective

(1) (anatomy) Of, toward, in, on, or near the back (or any analogous bodily reference) of an organism.

(2) (zoology) Of, or pertaining to, the dorsum.

(3) (botany) Of or on the surface away from the axis; abaxial.


Supplement

Dorsal is an anatomical term used to refer to the position of a body part in an organism (plant or animal). It is used in contrast to the term ventral.

In vertebrates, the dorsal part of the animal usually is where the backbone is located.


Word origin: from Latin dorsālis, dorsum, back


Related forms: dorsally (adverb)

Compare: ventral

See also: dorsad

Related term:


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Directional Terms

Look here http://en.wikipedia.org/wiki/File:Human_anatomy_planes.svg You will see that you will need Transverse section in order to see both Dorsal and Ventral anything. For the second one it probably would depend on the shape of the cavity, so I would choose Midsagital, because it divides equally.

See entire post
by ndtb
Thu Aug 30, 2012 10:59 pm
 
Forum: Human Biology
Topic: Directional Terms
Replies: 1
Views: 2057

Directional Terms

Does anyone know the answer to this question? In what type of section is it possible to observe both dorsal and ventral cavities in the same section? __________ and __________ Terms: midsagittal, frontal, transverse, parasagittal, and sagittal

See entire post
by W1173520
Thu Aug 30, 2012 7:32 pm
 
Forum: Human Biology
Topic: Directional Terms
Replies: 1
Views: 2057

Neurons, Cocaine, and Shingles

... of the events requires a motor neuron? a) 1 and 2 b) 2 and 3 c) 1 and 3 d) 1,2, and 3 3. Shingles is caused by Herpes Zoster infection of the dorsal root ganglia. This disease would affect a) Motor impulses moving into the spinal cord b) Motor impulses moving out of the spinal cord c) Sensory ...

See entire post
by homeworkdisaster
Sun Jun 10, 2012 8:11 pm
 
Forum: Human Biology
Topic: Neurons, Cocaine, and Shingles
Replies: 4
Views: 3444

Neuroscience question

... the one that connects the skin to the CNS? I always thought it was the primary afferent neurons but I've also got a source which states that the dorsal root ganglions also play a role in this. After all, since it's a pseudounipolar ganglion, the distal process could be the one that connects to ...

See entire post
by Condraz23
Mon Feb 15, 2010 11:17 am
 
Forum: Human Biology
Topic: Neuroscience question
Replies: 0
Views: 2004

Re: Vertebrates and invertebrates

... still remains) Notochord (for movement or other functions in other chordates) Pharyngeal slits (become a variety of other structures like gills) Dorsal Nerve Chord (the spinal chord and brain in vertebrates) There are more specific features for vertebrates; lensed eyes (similar to gastropod and ...

See entire post
by Chroma
Fri Dec 11, 2009 9:26 am
 
Forum: Zoology Discussion
Topic: Vertebrates and invertebrates
Replies: 11
Views: 10362
View all matching forum results

This page was last modified 22:43, 3 January 2010. This page has been accessed 25,287 times. 
What links here | Related changes | Permanent link