Blood Vessels Flashcards

1
Q

BASIC 3 LAYERED STRUCTURE

A

TUNICA INTIMA
TUNICA MEDIA
TUNICA ADVENTITIA

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2
Q

LAYERS WITHIN THE TUNICA INTIMA

A

ENDOTHELIUM
BASEMENT MEMBRANE
INTERNAL ELASTIC LAMINA

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3
Q

ENDOTHELIUM

A

SMOOTH TO REDUCE SURFACE FRICTION

LINE THE HEART

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4
Q

BASEMENT MEMBRANE

A

PHYSICAL SUPPORT FOR ENDOTHELIUM

ANCHORS THE ENDOTHELIUM

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5
Q

INTERNAL ELASTIC LAMINA

A

SHEET OF ELASTIC FIBRES

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6
Q

TUNICA MEDIA

A

MUSCLE AND CONNECTIVE TISSUE

SMOOTH MUSCLE AND ELASTIC FIBRES

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7
Q

STIMULATION THAT CAUSES MUSCLE CONTRACTION

A

SYMPATHETIC

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8
Q

TUNICA ADVENTITIA

A

COLLAGEN AND ELASTIC FIBRES
CONTAINS NERVES
CONTAINS VASA VASORUM

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9
Q

WHAT ARE VASA VASORUM?

A

VESSELS WITHIN ANOTHER VESSEL

SUPPLY BLOOD TO THE TISSUES WITHIN THE BLOOD VESSEL

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10
Q

TYPES OF ARTERY

A

ELASTIC

MUSCULAR

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11
Q

ELASTIC ARTERY CHARACTERISTICS

A

INTERNAL AND EXTERNAL ELASTIC LAMINAE
THICK TUNICA MEDIA
ELASTIN WITHIN THE VESSEL WALLS

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12
Q

FUNCTIONS OF ELASTIC ARTERIES

A

PROPEL BLOOD FORWARD
WITHSTAND HIGH PRESSURE OF THE BLOOD
RECOIL
CONVERT STORED ENERGY INTO KINETIC ENERGY

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13
Q

MUSCULAR ARTERIES

A

SMOOTH MUSCLE WITHIN TUNICA MEDIA

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14
Q

VASCULAR TONE

A

ABILITY OF A MUSCLE TO CONTRACT AND MAINTAIN A STATE OF PARTIAL CONTRACTION

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15
Q

CHARACTERISTICS OF ARTERIOLES

A

THIN TUNICA INTERNA
FENESTRATED ELASTIC LAMINA
DOUBLE LAYERED SMOOTH MUSCLE TUNIA MEDIA
AREOLAR CONNECTIVE TISSUE WITHIN THE TUNICA EXTERNA

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16
Q

WHAT TYPE OF SYMPATHETIC NEURONS ARE WITHIN THE AREOLAR CONNECTIVE

A

ABUNDANT UNMYELINATED

17
Q

FUNCTIONS OF ARTERIOLES

A

REGULATE BLOOD FLOW BY REGULATING RESISTANCE

CONTRACTION OF SMOOTH MUSCLES TO BRING ABOUT VASOCONSTRICTION

18
Q

STRUCTURE OF CAPILLARIES

A

SINGLE EPITHELIAL LAYER

BASEMENT MEMBRANE

19
Q

TYPES OF CAPILLARY

A

CONTINUOUS
FENESTRATED
SINUSOID

20
Q

CONTINUOUS CAPILLARY

A

CONTINUOUS TUBE OF ENDOTHELIUM, INTERRUPTED BY INTERCELLULAR CLEFTS
CONTAIN A BASEMENT MEMBRANE

21
Q

WHERE ARE CONTINUOUS CAPILLARIES FOUND?

A

CNS
LUNGS
MUSCLE
SKIN

22
Q

FENESTRATED CAPILLARIES

A

ENDOTHELIUM MADE OF GLYCOCALYX
SMALL PORES WITHIN THE ENDOTHELIUM
PROTEIN BASEMENT MEMBRANE

23
Q

LOCATION OF FENESTRATED CAPILLARIES

A
KIDNEY
MICROVILLI
ENDOCRINE GLAND
CHOROID PLEXUS OF THE BRAIN
CILIARY PROCESS OF THE EYE
24
Q

SINUSOIDS

A

LARGE FENESTRATIONS AND INTERCELLULAR CLEFTS IN THE ENDOTHELIUM
INCOMPLETE BASEMENT MEMBRANE

25
Q

LOCATION OF SINUSOIDS

A

LIVER
SPLEEN
ANTERIOR PITUITARY
ADRENAL GLAND

26
Q

TYPES OF VENULE

A

POSTCAPILLARY VENULE

MUSCULAR VENULE

27
Q

POSTCAPILLARY VENULE

A

LOOSELY ORGANISED INTERCELLULAR JUNCTIONS

POROUS

28
Q

MUSCULAR VENULES

A

THICK WALLS

COVERED IN SMOOTH MUSCLE

29
Q

VEINS

A

THIN WALLS

TUNICA EXTERNA CONTAINS COLLAGEN AND ELASTIC FIBRES

30
Q

TYPES OF VEIN

A

SUPERFICIAL

DEEP

31
Q

SUPERFICIAL VEINS

A

RUN INTO THE SUPERFICIAL FASCIA

32
Q

DEEP VEINS

A

BENEATH THE DEEP FASCIA

33
Q

VEINS THAT PASS THROUGH THE DEEP FASCIA

A

PERFORATORS