Chapter 32-230920 Endocrine System PDF
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ANTH/LING
2021
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Summary
This document discusses the endocrine and nervous systems in the human body. It explains how hormones travel throughout the body and how signals are transmitted through the nervous system. It also describes different endocrine glands and their functions.
Full Transcript
Copyright © 2021 Pearson Education Ltd. All Rights Reserved Copyright © 2021 Pearson Education Ltd. All Rights Reserved (a) 호르몬에 의한 신호 (b) 뉴런에 의한 신호 Figure 32.4 Signaling in the Endocrine and Nervous Systems (내분비계와 신경계에서의 신호전달) 신호는 혈류를 통하여 온몸 구석구석...
Copyright © 2021 Pearson Education Ltd. All Rights Reserved Copyright © 2021 Pearson Education Ltd. All Rights Reserved (a) 호르몬에 의한 신호 (b) 뉴런에 의한 신호 Figure 32.4 Signaling in the Endocrine and Nervous Systems (내분비계와 신경계에서의 신호전달) 신호는 혈류를 통하여 온몸 구석구석 퍼진다 신호는 축삭을 따라서 특정 장소로 이동한다. 반응: 신호에 대한 수용체를 가진 세포에 한정됨 반응: 특수화된 결합으로 자극을 전달하는 축삭에 연결된 세포에 한정됨 Copyright © 2021 Pearson Education Ltd. All Rights Reserved Endocrine Glands and Hormones (내분비샘과 호르몬들) • Endocrine cells are often grouped in ductless organs called endocrine glands (내분비샘) (내분비 세포는 내분비샘이라고 하는 관이 없는 기관에 모여있음) • Endocrine glands (내분비샘) and cells secrete hormones directly into the surrounding fluid, from which the hormones enter the circulatory system (내분비선과 세포는 호르몬을 주변 체액으로 직접 분비하고, 이 호르몬은 순환계로 들어감) • In contrast, exocrine glands (외분비샘) have ducts that carry enzymes or secreted substances into body cavities or onto body surfaces (반면, 외분비샘에는 효소나 분비물을 체강이나 신체 표면으로 운반하는 관이 있다) Copyright © 2021 Pearson Education Ltd. All Rights Reserved 갑상샘 부갑상샘 :PTH 부신 부신수질 부신피질 :코티솔 송과샘 시상하부 뇌하수체 뇌하수 체 후엽 뇌하수 체 전엽 난소 정소 췌장 Copyright © 2021 Pearson Education Ltd. All Rights Reserved Figure 32.5 The Human Endocrine System (사람의 내분비계)