Histology Lab

Question 1

The four principal groups of tissue are

Answer 1

Epithelial, connective, muscle, nerve

Question 2

Blood and lymph are typically considered a type of ____ tissue

Answer 2

Connective

Question 3

Epithelial tissue is composed of

Answer 3

Sheets of tightly packed cells
Little intercellular substance

Question 4

Epithelial tissue serves to

Answer 4

Prevent fluid loss, infection, and mechanical issue

Question 5

Epithelial cells may appear as flat discs ____, square blocks _____, or masonry bricks ____.

Answer 5

Flat discs: squamous
Square blocks: cuboidal
Masonry: columnar

Question 6

Glandular epithelial are

Answer 6

The epithelial that line organs and may absorb/secrete chemical solutions

Question 7

Connective tissue primarily serves to

Answer 7

Support parts of the body and keep it together

Question 8

Unlike epithelial tissue, connective tissue is spaced

Answer 8

Widely apart from each other

Question 9

The most widespread connective tissue in the mammalian body is

Answer 9

Loose connective/aeroaler tissue

Question 10

Fibers bind ___ tissue within the ECM

Answer 10

Epithelial

Question 11

Adipose tissue help bind connective tissue to ECM. Additionally they

Answer 11

Store fat molecules

Question 12

Fibrous connective tissue contains collagen fibers, which are responsible for

Answer 12

Maximizing non elastic properties and strength of tendons and ligaments

Question 13

Cartilage contains a protein carbohydrate complex called

Answer 13

Chrondoiton sulfate

Question 14

Osteoblasts are

Answer 14

Calcified cartilage that formed due to bone forming

Question 15

Calcium, magnesium, and phosphate interact to form ___ in the collagen matrix

Answer 15

Hydroxyapatite

Question 16

Blood is considered connective, it’s matrix is ___ rather than fibrous

Answer 16

Fluid

Question 17

Muscle tissue is composed of

Answer 17

Long cells known as muscle fibers

Question 18

Muscle fibers are made up of

Answer 18

Parallel bundles of fibers called myofibrils

Question 19

The two major cells of muscle fibers are

Answer 19

Acting and myosin

Question 20

The three types of muscle are

Answer 20

Smooth, skeletal, cardiac

Question 21

Nerve tissue transfers

Answer 21

Information from one part of the body to another

Question 22

Single nerve cells, or neurons, combine to form highly complex groups called

Answer 22

Ganglia

Question 23

The cell bodies of individual neurons have extensions called

Answer 23

Dendrites and axons

Question 24

Dendrites and axons send

Answer 24

Signals called nerve impulses to other tissue

Question 25

The __ make up the CNS

Answer 25

Spin cord and brain

Question 26

Multipolar neurons possess axons and dendrites, which

Answer 26

Communicate with other nervous system cells

Question 27

Spaces between neurons are composed of

Answer 27

Smaller supporting glia

Question 28

The central lumen of of the arteries and veins distinguish them from

Answer 28

Nerve fibers

Question 29

A layer of ___ separate arteries and veins from other cells

Answer 29

Elastic connective tissue

Question 30

Unlike arteries which maintain it's shape, veins

Answer 30

Collapse into an irregular shape

Question 31

In contact with the lumen of arteries and veins is

Answer 31

A lining of flattened endothelial cells

Question 32

The nerves consist of nerve fibers grouped together into bundles called

Answer 32

Fasicles

Question 33

___ tissue surrounds and penetrates nerve fibers

Answer 33

Connective

Question 34

A type of glial cell known as ____ envelopes the axons of individual nerve fibers

Answer 34

Schwan cells

Question 35

Schwann cell envelopment __ nerve fibers, which speeds up the rate kf

Answer 35

Insulates Electrical impulse

Question 36

Hollow cells indicate the region of

Answer 36

Fat or adipose tissue

Question 37

Adipose tissue have ____ during the preparation of tissue.

Answer 37

Lost their lipids

Question 38

In vivo, an adipocyte contains a liquid droplet which

Answer 38

Displaces the cytoplasm

Question 39

_____are embedded in an amorphous glycoproteins matrix bound by collagen fibers

Answer 39

Chondrocytes

Question 40

Chondrocytes sit at a hollow in the matrix known as

Answer 40

Lacunae

Question 41

Blood vessels, lymphatics, and nerves can be found in the periphery of

Answer 41

Hyalinic cartilage

Question 42

The prominent holes in compact bone are ___ containing blood and lymphatic vessels

Answer 42

Haversian canals

Question 43

The canaliculi are

Answer 43

A complex pattern of branches through each osteocyte

Question 44

The cannaliculi connect

Answer 44

The lacunae with the haversian system

Question 45

The bulk of pancreatic tissue is composed of ____ separated by

Answer 45

Secretory epithelial cells separated by connective tissue

Question 46

The islets of langerhans contain the endocrine secretory

Answer 46

Alpha and beta cells

Question 47

Alpha cells secrete ___ while beta cells secrete ____

Answer 47

Secrete glucAgon Secrete insioin

Question 48

In the cortex of the kidney lies the ____, the functional unit which delivers blood

Answer 48

Nephron

Question 49

The kidney glomureli are

Answer 49

Capillaries that do not allow the passage of r/wbc or proteins into the filtrate that enters the Bowman's capsule

Question 50

The kidney collecting tubules lead ultimately to the

Answer 50

Ureter

Question 51

The hilum is

Answer 51

Where the renal artery, vein and ureter enter the kidney

Question 52

The two distinct layers of smooth muscle in the intestinal systems are

Answer 52

Inner circular Outer longitudinal

Question 53

The single layer thick____ line the intestinal lumen

Answer 53

Columnar epithelial cells

Question 54

The apical surface of the intestine contains ___ which

Answer 54

Microvilli Increase surface area

Question 55

A human testis contains several long ____ surrounded by three layers of connective tissue

Answer 55

Semiferous tubiles

Question 56

The periphery of the semiferous tubiles contain ____, which are in association with the nutritive ___ cells

Answer 56

Spermatagonia Sertoli cells

Question 57

Spermatogenesis is under control of which hormone

Answer 57

Follicle stimulating hormone, FSH

Question 58

Sperm production occurs at a temperature ___ the body

Answer 58

Lower

Question 59

Leydig cells are under the influence of what hormone

Answer 59

Leutinizing hormone

Question 60

Primary and secondary oocytes are in the center of what structure

Answer 60

Follicles

Question 61

Oocytes are surrounded by a glycoprotein layer called

Answer 61

Zona pellucida

Question 62

The primary oocyte is first surrounded by follicular cells and then by

Answer 62

Granulosa cells

Question 63

The liver is divided into polygonal

Answer 63

Hepatic lobules

Question 64

Blood entering the liver via the hepatic portal vein is distributed into endothelial lines

Answer 64

Sinusoids

Question 65

The complex of sinusoids converges on large holes called

Answer 65

Centrilobular veins

Question 66

The striations in skeletal muscle cells are due to

Answer 66

Arrangement of actin and myosin known as sacromeres

Question 67

Smooth muscle cells nuclei are lcoated

Answer 67

Centrally

Question 68

In addition to striation, cardiac muscle cells are distinct due to

Answer 68

Intercalated discs

Question 69

The hormones produced in the thyroid are made kn

Answer 69

An extracellular suspension known as the colloid

Question 70

The thyroid follicle is made up of

Answer 70

Colloid and follicular cells

Question 71

The pituitary is made up of two major lobes, the

Answer 71

Anterior and posterior

Question 72

The anterior pituitary lobe consists of

Answer 72

Secretory epithelial cells

Question 73

The posterior pituitary lobe is similar to

Answer 73

Similar to nerve tissue