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单词 Thoracic skeleton
释义

Thoracic skeleton

英语百科

Thorax

An X-ray of a human chest area, with some structures labeled
The trilobite body is divided into three major sections, a cephalon with eyes, mouthparts and sensory organs such as antennae, a thorax of multiple similar segments (that in some species allowed them to roll up into a ball), and a pygidium, or tail section.In the worker ant, the abdomen consists of the propodeum fused to the thorax and the metasoma, itself divided into the narrow petiole and bulbous gaster.

The thorax or chest (from the Greek θώραξ thorax "breastplate, cuirass, corslet" via Latin:thorax) is a part of the anatomy of humans and various other animals located between the neck and the abdomen. The thorax includes the thoracic cavity and the thoracic wall. It contains organs including the heart, lungs, and thymus gland, as well as muscles and various other internal structures. Many diseases may affect the chest, and one of the most common symptoms is chest pain.

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更新时间:2025/6/19 18:19:10