Histology Cardiovascular

Question 1

for the circulatory system, what are the three layers of vessels?

Answer 1

tunica adventitia (connective tissue)

tunica media (smooth muscle)

tunica intima (lining and support)

Question 2

capillaries are made up one a single layer of ____ and supportive cells called ____

Answer 2

endotheial cells

pericytes

Question 3

where are continuous capillaries found?

Answer 3

almost everywhere especially in the central nervous system

Question 4

what tissues have sinusoid

Answer 4

liver, bone marrow, endocrine

Question 5

what tissues have fenestrated

Answer 5

the gut

Question 6

what kind of tissue has porus?

Answer 6

kidney

Question 7

label

Answer 7

A: blood vessel lumen

B: tunica intima

C: tunica media

D: internal elastic lamina

Question 8

label

Answer 8

A: tunica adventiai

B: tunica media

C: tunica intima

Question 9

what is a vasa varousum?

What is a nervi varosum?

Answer 9

the blood supply to larger arteries

the small nerves found within arteries and veins to control the smooth muscle

Question 10

what kind of tissue is this? how do you know?

Answer 10

this is a small muscular artery. there are blood cells in the middle and the wall looks quite thick so you can tell it is a muscular atery

A: external elastic lamina

B: internal elastic lamina

Question 11

lymphatic vessels lack two things, what are they?

Answer 11

a basement membrane and pericytes

Question 12

what is an easy way to tell if what you’re seeing is an artery, a vein, or a lymph?

Answer 12

lymphs have n blood vessels, veins will have thinner walls than arteries

Question 13

which numbers are the vein, artery, and lymp?

Answer 13

3: artery
14: vein
13: lymphatic

Question 14

what cell types are found in lymp nodes?

Answer 14

B and T lymphocytes

plasma cells

monocytes or macriphages

fibroblastic cells (releasing collagen and elastin fibers)

Question 15

review where you would find the: capsule, trabeculae, subcapsular sinus, nodule, germinal center

Answer 15

hgkhgv

Question 16

what are the layers of the heart?

Answer 16

the epicardium, the myocardium, the endocardium

Question 17

the endocardium of the heart is equivalent to the ___ which consist of ____ and ___

Answer 17

tunica intima

endotheial cells

basement membrane

Question 18

the myocardium of the heart is the same as the _____ and it consists of ______ and _____

Answer 18

tunica media

cardiac myocytes

fibrocytes

Question 19

the epicardium the same as the _____, but it is actually a ____. the anatomical term for this layer is the ____

Answer 19

tunica adventitia

serosa/serous membrane

visercal pericardium

Question 20

label

Answer 20

A: mesothelium

B: tunica adventitia (epicardium)

C: vaso vasorum

D: myocardium (tunica media)

Question 21

what do the Purkinje fibers look like?

Answer 21

BOOOBS

Question 22

review

Question 23

the fibrous skeleton of the hearts acts as an

Answer 23

electrical insulator

Question 24

what are the functions of the spleen

Answer 24

RBC and iron turnover and metabolism

immune system function

Question 25

the red pulp of the spleen has

Answer 25

RBCs

Question 26

the white pulp of the spleen has

Answer 26

lymph nodules

lymphoid tissue around arteries

Question 27

review the pulps

Question 28

the thymus is largest at ____ and it is then replaced by ___. it only has ____ vessels

Answer 28

birth

fat

efferent

Question 29

what is the function of the thymus?

Answer 29

proliferation of T cells, development of immunocompotent t cells

Question 30

what does a reticular cell do

Answer 30

produce reticular fibers

Question 31

label

Answer 31

from left to right: trabeculae, hassal corpusles, medulla, cortex