BLOOD VESSELS PATHOLOGY BLOOD VESSELS THE VASCULAR SYSTEM

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BLOOD VESSELS PATHOLOGY

BLOOD VESSELS PATHOLOGY

BLOOD VESSELS: THE VASCULAR SYSTEM v Taking blood from the heart to the tissues

BLOOD VESSELS: THE VASCULAR SYSTEM v Taking blood from the heart to the tissues and back v. Arteries v. Arterioles v. Capillaries v. Venules v. Veins

The Vascular System

The Vascular System

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Differences Between Blood Vessel Types v. Walls of arteries are thickest v. Lumens of

Differences Between Blood Vessel Types v. Walls of arteries are thickest v. Lumens of veins are larger than arteries v Skeletal muscle “milks” blood in veins toward the heart

CAPILLARIES v Only a single layer of endothelium and a basement membrane v Connect

CAPILLARIES v Only a single layer of endothelium and a basement membrane v Connect arterioles and Venules v Functional part of system v True capillaries begin at a precapillary sphincter which controls blood flow through the capillary 6

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LYMPHATIC SYSTEM Lymphatic capillary Lymphatic duct Lymphatic vessels All organs have lymphatic vessels except

LYMPHATIC SYSTEM Lymphatic capillary Lymphatic duct Lymphatic vessels All organs have lymphatic vessels except ?

Pathology Congenital Anomalies HTN Arteriosclerosis Vasculitides ( inflammations) Aneurysms & Dissections Veins & Lymphatics

Pathology Congenital Anomalies HTN Arteriosclerosis Vasculitides ( inflammations) Aneurysms & Dissections Veins & Lymphatics Tumors

VASCULAR PATHOLOGY IN HTN Hypertension is associated with two forms of small blood vessel

VASCULAR PATHOLOGY IN HTN Hypertension is associated with two forms of small blood vessel disease q q Hyaline Arteriolosclerosis Hyperplastic Arteriolosclerosis

Arteriosclerosis Arteriolosclerosis Monckeberg arteriosclerosis Atherosclerosis

Arteriosclerosis Arteriolosclerosis Monckeberg arteriosclerosis Atherosclerosis

ANEURYSMS Atherosclerotic aneurysms Aneurysms due to cystic media necrosis Berry aneurysms Syphilitic aneurysms Dissecting

ANEURYSMS Atherosclerotic aneurysms Aneurysms due to cystic media necrosis Berry aneurysms Syphilitic aneurysms Dissecting aneurysms Arteriovenous fistula ( aneurysms)

VASCULITIS

VASCULITIS

VEINS DISORDER Varicose vine Thrombophlebitis Superior/inferior Vena Cava Síndrome

VEINS DISORDER Varicose vine Thrombophlebitis Superior/inferior Vena Cava Síndrome

TUMOR Benign tumor Malignant tumor

TUMOR Benign tumor Malignant tumor