腎上腺

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腎上腺 |
 內分泌系統
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 腎上腺
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细节 |
拉丁语 |
glandula suprarenalis
|
系統 |
內分泌 |
动脉 |
上腎上腺動脈、中腎上腺動脈、下腎上腺動脈
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静脉 |
腎上腺靜脈
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神经 |
腹腔神經叢、腎叢
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淋巴 |
腰淋巴結
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识别标示 |
Gray's |
p.1278
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MeSH |
A06.407.071
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Dorlands |
g_06/12392729
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TA |
A11.5.00.001
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FMA |
FMA:9604
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解剖学术语
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哺乳類動物中,腎上腺 (glandula suprarenalis)是呈三角形的內分泌腺體,位於腎臟上方,因而得名。其主要功能為通過合成皮質類甾醇和鄰苯二酚胺(例如皮質醇和腎上腺素)來調控身體對壓力 (醫學)產生的反應。
位置和功能
人體中,腎上腺位於胸腹中、腎臟之前上方。腎上腺也由腎囊和腎筋膜包裹着。人類腎上腺的位置在第12節胸椎,由腎上腺動脈提供血液。
腎上腺可劃分為兩種組織,兩者均受中樞神經系統發出的訊號所控制:
腎上腺髓質
- 顧名思義,腎上腺髓質是腎上腺的核心部分,被皮質包圍。髓體內的嗜铬细胞是身體的鄰苯二酚胺荷爾蒙腎上腺素和去甲腎上腺素的主要來源。這些水溶性荷爾蒙由胺基酸酪氨酸派生出來,是由交感神經觸發的应急反应的一部分。腎上腺髓質可被視為交感神經的神經結,沒有明顯的神經突觸,而是直接分泌到血液中。它也是與腎上腺素和去甲腎上腺素關係密切的鄰苯二酚胺多巴胺的主要來源。
腎上腺皮質
- 腎上腺皮質則負責利用膽固醇合成皮質類甾醇荷爾蒙[1]。部分細胞屬於下丘脑-垂体-肾上腺轴,是皮質醇合成的來源。其他皮質細胞有:製造男性荷爾蒙(如睾酮)的細胞,分泌醛固酮以調節身體中水及電解質濃度的細胞。腎上腺皮質由腦下垂體、下丘腦和肾素-血管紧张素系统分泌的神經內分泌荷爾蒙控制。
動脈和靜脈
三條向腎上腺提供血液的動脈為:
上腎上腺動脈(superior suprarenal artery)(源自橫膈下動脈(inferior phrenic))
中腎上腺動脈(middle suprarenal artery)(源自腹主動脈(abdominal aorta))
下腎上腺動脈(inferior suprarenal artery)(源自腎動脈(renal artery))
腎上腺靜脈包括:
右腎上腺靜脈(right suprarenal vein)(流向下腔靜脈(inferior vena cava))
左腎上腺靜脈(left suprarenal vein)(流向左腎靜脈或左橫膈下靜脈inferior phrenic vein))
腎上腺和甲狀腺是以每克組織計接收血液量最高的器官,其中,可多至60條細動脈向一個腎上腺體輸血。[2]
參閱
參考
註釋
^ 腎上腺皮質壓力荷爾蒙
^ JE Skandalakis. Surgical Anatomy: The Embryologic And Anatomic Basis Of Modern Surgery (2004).
外部參考
Adrenal Gland, from Colorado State University
内分泌系统:激素/内分泌腺(肽类激素、甾体激素)
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|
内分泌腺 |
下丘脑-垂体 |
下丘脑 |
GnRH、TRH、多巴胺、CRH、GHRH/體抑素、黑色素浓集激素
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|
垂体后叶 |
抗利尿激素、催產素
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垂体前叶 |
糖蛋白激素α亚基(FSH FSHB、LH LHB、TSH TSHB)、催乳素、
POMC(CLIP、ACTH、MSH、内啡肽、促脂解素)、生长激素
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性腺轴 |
睾丸 |
睾酮、AMH、抑制素
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卵巢 |
雌二醇、黄体素、抑制素/激活素、松弛素
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胎盘 |
hCG、 HPL、 雌激素、 黄体素
|
|
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肾上腺轴 |
肾上腺髓质: 肾上腺素、去甲肾上腺素 - 肾上腺皮质: 醛固酮、皮质醇、脱氢表雄酮
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甲状腺轴 |
甲状腺: 甲狀腺激素(T3和T4) - 降钙素 - 甲状旁腺: 甲状旁腺素
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胰脏 |
胰高血糖素、胰岛素、胰淀素、生长抑素、胰多肽
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松果体 |
褪黑素 |
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非内分泌腺 |
消化系统 |
胃 |
胃泌素、 胃饥饿激素
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十二指肠 |
CCK、 肠泌素(GIP、GLP-1)、促胰液素、胃动素、VIP
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回肠 |
肠高血糖素、酪酪肽
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肝脏/其它
|
胰岛素样生长因子 (IGF-1、 IGF-2)
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循环系统 |
肾 |
球旁器(肾素)、 管周细胞(紅血球生成激素)、 骨化三醇、 前列腺素
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心脏 |
利鈉肽(ANP、BNP)
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其它 |
脂肪组织 |
肥胖荷尔蒙、 脂联素、 抵抗素
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胸腺 |
胸腺肽(α1、β)、促胸腺生成素、胸腺九肽
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骨骼 |
骨钙素 |
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靶源性 |
NGF、 BDNF、 神经营养素-3
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內分泌系統索引
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描述 |
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疾病 |
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治療 |
- 程序
- 藥物
- 鈣平衡
- 皮质类固醇
- 口服降血糖藥物
- 腦下垂體及下視丘
- 甲狀腺
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规范控制 |
- GND: 4171381-3
- NDL: 00563655
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