解剖 | 神经系统的结构是怎么样的？ - 知乎专栏
神经节 （ganglion，复数为ganglia）：外周神经系统中的神经元集合体，譬如背根神经节（dorsal root ganglion）。 中枢神经系统仅有一个神经元集合体有类似命名，即基底神经节（basal ganglion，大脑深部参与运动控制的神经元集合体）。 白质 （white matter）：中枢神经系统 轴突 束的统称，因呈现 白色 而得名。 神经 （nerve）：外周神经系统的轴突束。 在中枢神经系统，仅有视神经（optic nerve）被称为神经。 束 （tract）：中枢神经系统内神经元的轴突集合，所 …
Anatomical terms of location - Wikipedia
These two terms, used in anatomy and embryology, describe something at the back (dorsal) or front/belly (ventral) of an organism. [2] The dorsal (from Latin dorsum 'back') surface of an organism refers to the back, or upper side, of an organism. If …
Dorsal and Ventral: What Are They, Differences - Osmosis
2023年12月29日 · On a human body, dorsal (i.e., posterior) refers to the back portion of the body, whereas ventral (i.e., anterior) refers to the front part of the body. The terms dorsal and ventral are also often used to describe the relative location of a body part.
Anatomical Terms of Location: Anterior vs Posterior and Dorsal vs Ventral
2024年2月21日 · “Dorsal” refers to the back or vertebral side, while “ventral” refers to the belly side. In a fish, the dorsal fin is on the back, and the belly is the ventral side. A person’s back is their dorsal surface, while the belly is the ventral surface. But, in humans, these terms more often describe relative positions within the brain and spinal cord.
Anatomical Terminology – Foundations of Neuroscience
Directional terms used to locate nervous system structures. The dorsal / ventral and rostral / caudal pairs point in different directions depending on if they are referring to the axis of the brain (orange arrows) or the axis of the spinal cord (blue arrows). The definitions of each term are described in the text.
What is the Difference Between Dorsal and Ventral
2019年4月12日 · The main difference between dorsal and ventral is that dorsal refers to the back or upper side of an organism whereas ventral refers to the front or lower side. While dorsal structures are located in the opposite direction to the stomach, ventral structures are located in the direction of the stomach.
1.6: Anatomical Terminology - Medicine LibreTexts
The dorsal (posterior) cavity and the ventral (anterior) cavity are the largest body compartments (Figure \(\PageIndex{4}\)). These cavities contain and protect delicate internal organs, and the ventral cavity allows for significant changes in the size and shape of …
Dorsal vs Posterior and Ventral vs Anterior - Biology Stack …
2017年2月27日 · Dorsal (from Latin dorsum meaning "back") refers to the body region/"side" opposite that of ventral (and typically called the "back"). Anterior (from Latin ante meaning "before" or "in front of") refers to the "front" of the organism (i.e., the part of the organism you'd encounter 1st or before other body regions).
Dorsal vs. Ventral — What’s the Difference?
2023年9月18日 · Dorsal and Ventral are terms used primarily in anatomy and zoology to describe positions or orientations on an organism. Dorsal denotes the region that corresponds to the back in vertebrates, while Ventral refers to the region equated with the belly or underside.
Ventral and Dorsal Brain: Visual Processing Pathways
2024年9月30日 · Explore the ventral and dorsal brain pathways, their roles in visual processing, spatial awareness, and implications for cognitive neuroscience and disorders.