Dorsal and ventral
These two terms, used in anatomy and embryology, describe something at the back (dorsal) or front/belly (ventral) of an organism. The dorsal (from Latin dorsum ‘back’) surface of an organism refers to the back, or upper side, of an organism. If talking about the skull, the dorsal side is the top.
What is the ventral surface called?
Dorsal and ventral
These two terms, used in anatomy and embryology, describe something at the back (dorsal) or front/belly (ventral) of an organism. The dorsal (from Latin dorsum ‘back’) surface of an organism refers to the back, or upper side, of an organism. If talking about the skull, the dorsal side is the top.
What is the ventral surface called in 4 legged animals?
In humans the terms ventral and dorsa/ are used interchangeably with the terms anterior and posterior, but in four-legged animals ventral and dorsal are synonymous with inferior and superior, respec- tively .
What else can the dorsal surface be called?
In humans, the dorsal surface can also be called the 13 surface ; however, in quadruped animals, the dorsal surface is the 14 surface. ... You are told to cut a dissection animal along two planes so that the kidneys are observable in both sections.
Is ventral the same as anterior?
Directional Terms
Anterior or ventral – front (example, the kneecap is located on the anterior side of the leg). Posterior or dorsal – back (example, the shoulder blades are located on the posterior side of the body).
The shoulder blades are dorsal to the ribs. Ventral: In humans, toward the front of the torso. The navel is on the ventral aspect of the body. In humans, dorsal and ventral are mostly synonymous with posterior and anterior , and the latter terms are often used.
Is the elbow distal to the wrist?
The wrist joint is distal to the elbow joint . The scaphoid lies in the proximal row of carpal bones.
What is the dorsal surface?
Dorsal: Relating to the back or posterior of a structure . As opposed to the ventral, or front, of the structure. Some of the dorsal surfaces of the body are the back, buttocks, calves, and the knuckle side of the hand.
What is the anatomical position for a four legged animal?
In animals that are quadrupedal, or walk on four legs, standard anatomical position is with all four feet on the ground so that the belly of the animal is roughly parallel with the ground .
Is the nose inferior to the eyes?
Eyes are superior to the nose . ... The eye is more medial than the ear.
What is the difference between ventral and dorsal?
In general, ventral refers to the front of the body, and dorsal refers to the back. These terms are also known as anterior and posterior , respectively.
What cavity is the stomach in?
The abdominal cavity is hardly an empty space. It contains a number of crucial organs including the lower part of the esophagus, the stomach, small intestine, colon, rectum, liver, gallbladder, pancreas, spleen, kidneys, and bladder.
What is the difference between dorsal and posterior?
Anterior (or ventral) Describes the front or direction toward the front of the body. ... Posterior (or dorsal) Describes the back or direction toward the back of the body.
Why are anterior and ventral not interchangeable?
Anterior/ventral and posterior/dorsal cannot always be used interchangeably . Anterior means closer to the head or front end of the body, while ventral refers more toward the belly or abdomen. While these can be used interchangeably for human structure, it is not correct to when speaking about 4 legged animals.
Is the heart dorsal or ventral?
| Human body cavities and membranes | Name of cavity Principal contents | Dorsal body cavity Cranial cavity Brain | Vertebral canal Spinal cord | Ventral body cavity Thoracic cavity Heart, Lungs |
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What body parts are anterior?
Anterior is also known as anatomical position, anterior-posterior, and an example is the anterior refers to the front of the body, so the face and abdomen are considered anterior body parts.
