Name: anatomical direction and body position
Uploaded: 2025-05-22T09:05:53.000Z
Duration: 1 min 14 s
Channel: JoVE

K12 Standards

ohios-learning-standards-and-model-curriculum

Ohio’s Learning Standards and Model Curriculum

9-12

Human Anatomy and Physiology

Levels Of Organization

Anatomical Terminology

Directional Terms

Los términos direccionales mapean la ubicación relativa de las partes del cuerpo utilizando la posición anatómica estándar como referencia.
En esta postura erguida, la parte delantera del cuerpo es el lado anterior o ventral, y la espalda es el lado posterior o dorsal. Por ejemplo, el corazón es anterior a la columna vertebral y posterior al esternón.
Los términos superior e inferior se refieren a la posición de las partes del cuerpo en relación con la cabeza y los pies. El pecho es superior a las rodillas pero inferior a la cabeza.
Medial y lateral indican la ubicación hacia o lejos de la línea media del cuerpo. El tórax es medial a los brazos y las orejas son laterales a la cabeza.
Proximal y distal denotan las partes del cuerpo más cercanas o más alejadas del tronco. Por ejemplo, el codo es proximal a la muñeca y el tobillo es distal a la rodilla.
Del mismo modo, el término superficial significa más cerca de la superficie, mientras que profundo significa lejos de la superficie. La piel es superficial hasta los huesos, mientras que el corazón es profundo.

términos direccionales

Los términos direccionales son esenciales para describir las ubicaciones relativas de diferentes estructuras del cuerpo. Por ejemplo, un anatomista podría describir una banda de tejido como "inferior a" otra, o un médico podría describir un tumor como "superficial a" una estructura corporal más profunda. Estos términos a menudo utilizan términos comparativos en pares para trazar las ubicaciones relativas de una parte del cuerpo con respecto a otra o descripciones de tejidos corporales, como las más profundas a las que están más superficiales con referencia a la posición anatómica de referencia estándar vertical del cuerpo.

Términos como anterior o ventral describen la parte frontal o la dirección hacia la parte frontal del cuerpo. Los dedos de los pies están anteriores al pie. En contraste, el posterior o dorsal describe la parte posterior o la dirección hacia la parte posterior del cuerpo. Por ejemplo, el poplíteo está posterior al rótula. El par contrastante de términos, superior e inferior, se refiere a una posición relativa a la cabeza y los pies, respectivamente. Superior se refiere a una posición por encima o más alta que otra parte del cuerpo. Las órbitas son superiores al Orbicularis Oris. En contraste, inferior describe una posición por debajo o más baja que otra parte del cuerpo, cerca o en dirección a la cola (en humanos, el cóccix o parte más baja de la columna vertebral). La pelvis está inferior al abdomen.

De manera similar, los términos medial y lateral indican la ubicación hacia o lejos de la línea media del cuerpo. Lateral describe el lado o la dirección hacia el lado del cuerpo. El pulgar (pollex) está lateral a los dedos. Medial describe el medio o la dirección hacia el medio del cuerpo. El hallux es el dedo medial.

El término "intermedio" se utiliza también de forma independiente, lo cual localiza una estructura presente entre dos estructuras. Por ejemplo, un colon transverso es intermedio entre el colon ascendente y el colon descendente. Además, la localización de la clavícula es intermedia entre el hombro y el esternón.

El otro conjunto de términos relativos incluye proximal vs. distal, donde el primero describe la posición de la extremidad más cercana al tronco del cuerpo, y el segundo señala la posición más alejada del tronco del cuerpo, como el brazo es proximal al antebrazo, y la pierna es distal al fémur.

De manera similar, el término superficial describe una posición más cercana a la superficie del cuerpo. La piel es superficial a los huesos. Profundo describe una posición más alejada de la superficie del cuerpo. El cerebro está profundo en el cráneo.

Además, algunos términos raramente utilizados, como ipsilateral y contralateral, proporcionan descripciones de una estructura desde otra estructura corporal ubicada en el mismo o en diferentes lados del cuerpo. Por ejemplo, la posición del colon ascendente y la vesícula biliar es ipsilateral; sin embargo, el colon ascendente y descendente son contralaterales.

Este texto está adaptado parcialmente de <a href="https://openstax.org/books/anatomy-and-physiology-2e/pages/">Openstax, Anatomy and Physiology 2e, Sección 1.6:</a> Terminología Anatómica

Términos direccionales

Los términos direccionales son esenciales para describir las ubicaciones relativas de las diferentes estructuras corporales. Por ejemplo, un anatomista podría describir una banda de ...

Education

Educación

JoVE Core

Anatomy and Physiology

Anatomía y Fisiología

Unit 1

Unidad 1

Introduction to the Human Body

Introducción al cuerpo humano

KEY TERMS AND CONCEPTS

TÉRMINOS Y CONCEPTOS CLAVE

anatomical direction and body position

Anatomical direction and body position terms help describe where one body structure is located in relation to another. These terms use comparisons, such as one tissue being inferior to another or a tumor being superficial to a deeper structure. They are based on the standard anatomical reference position, which uses the body in an upright pose.

Anterior and posterior are a common pair of directional terms. Anterior, also called ventral, means toward the front of the body. Posterior, also called dorsal, means toward the back of the body. For example, the toes are anterior to the foot, and the popliteus is posterior to the patella.

Another pair is superior and inferior. Superior means above or higher than another body part. Inferior means below or lower than another body part, toward the feet or tail region. The orbits are superior to the orbicularis oris, and the pelvis is inferior to the abdomen.

Medial and lateral describe location relative to the body’s midline. Lateral means toward the side of the body, while medial means toward the middle. The thumb, or pollex, is lateral to the digits. The hallux is the medial toe. The term intermediate is also used for a structure that lies between two others, such as the transverse colon between the ascending and descending colon. The collarbone is intermediate between the shoulder and the breastbone.

Proximal and distal are used mainly for limbs. Proximal means nearer to the body’s trunk, and distal means farther from the trunk. The brachium is proximal to the antebrachium, and the crus is distal to the femur. Superficial means closer to the surface of the body, so the skin is superficial to the bones. Deep means farther from the surface, and the brain is deep in the skull. Some terms are used less often, such as ipsilateral, which means on the same side, and contralateral, which means on opposite sides. The ascending colon and the gall bladder are ipsilateral, while the ascending and descending colon are contralateral.

Anatomical Direction and Body Position

overview of anatomy and physiology

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structural organization of the human body: an overview

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negative and positive feedback

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anatomical terminology

Anatomical Terms and Body Position

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anatomical positions

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regional terms

Anatomy Regions and Body Landmark Terms

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directional terms

Anatomical direction and body position terms help describe where one body structure is located in relation to another. These terms use comparisons, such as one tissue being inferior to another or a tumor being superficial to a deeper structure. They are based on the standard anatomical reference position, which uses the body in an upright pose. Anterior and posterior are a common pair of directional terms. Anterior, also called ventral, means toward the front of the body. Posterior, also...

body planes

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anatomical movements

Body Joint Motion Terms

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abdominal regions and quadrants

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key terms and concepts

Learn anatomical direction terms for describing body structures, including anterior, posterior, superior, inferior, medial, lateral, proximal, distal, superficial, and deep.

Anatomical Direction and Body Position | JoVE K12

anatomy and physiology

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Anatomical Direction and Body Position

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