Remnants/ derivatives

Question 0

Urachus

Answer 0

Median umbilical ligament

Question 1

Gubernaculum

Answer 1

Round ligament

Question 2

Ductus venosum

Answer 2

Ligamentum venosum

Question 3

Ductus arteriosus

Answer 3

Ligamentum arteriosum

Question 4

Umbilical vein

Answer 4

Ligamentum teres

Question 5

Umbilical artery

Answer 5

Medial umbilical ligament

Question 6

Ductus venosus

Answer 6

Ligamentum venosum

Question 7

Foramen ovale

Answer 7

Fossa ovalis

Question 8

Penis

Answer 8

Phallus

Question 9

Corpora cavernosa

Answer 9

Phallus

Question 10

Corpora spongiosum

Answer 10

Phallus

Question 11

Ventral aspect of penis

Answer 11

Urogenital fold

Question 12

Spongy urethra

Answer 12

Urogenital folds

Question 13

Scrotum

Answer 13

Labioscrotal swellings

Question 14

Labia minira

Answer 14

Unfused urogenital folds

Question 15

Frenulum

Answer 15

Fused urogenital folds

Question 16

Labia majorw

Answer 16

Unfused labioscrotal swelling

Question 17

Labial commisures and mons pubis

Answer 17

Fused labioscrotal swelling

Question 18

Skeletal muscles

Answer 18

Paraxial mesoderm/ somites

Question 19

Limb muscles

Answer 19

Mesoderm

Question 20

Cardiac muscles

Answer 20

Visceral/ splanchnic mesoder

Question 21

Visceral/ splanchnic mesoderm

Answer 21

Smooth muscles

Question 22

Blood vessels of body wall

Answer 22

Somatic mesoderm

Question 23

Smooth muscle of the iris and myoepithelial glands

Answer 23

Ectoderm

Question 24

Primitive atrium

Answer 24

Left atrium

Question 25

Sinus venosus

Answer 25

Right atrium

Question 26

Left horn of sinus venosus

Answer 26

Coronary sinus

Question 27

Primitive ventricle

Answer 27

All of left ventricle

Question 28

Bulboscordis

Answer 28

Right ventricle

Question 29

Truncus arteriosus

Answer 29

Root of the aorta and pulmonary trunk

Question 30

Maxillary arteries; part of external carotid

Answer 30

First aortic arch

Question 31

Stapedial arteries

Answer 31

Second aortic arch

Question 32

Common carotid arteries

Answer 32

Proximal parts of the third aortic arch

Question 33

Internal carotid arteries

Answer 33

Distal third aortic arch

Question 34

Arch of aorta

Answer 34

Left , fourth aortic arch

Question 35

Proximal part of subclavian artery

Answer 35

Right fourth aortic arch

Question 36

Left pulmonary artery

Answer 36

Left proximal, sixth

Question 37

Ductue arteriosus

Answer 37

Left,distal, sixth aortic arch

Question 38

Right pulmonary artery

Answer 38

Proximal, right, sixth aortic arch

Question 39

Telencephalon

Answer 39

Cerebrum

Question 40

Diencephalon

Answer 40

Thalamus

Question 41

Mesencephalon

Answer 41

Midbrain

Question 42

Metencephalon

Answer 42

Pons, cerebellum

Question 43

Myelencephalon

Answer 43

Medulla

Question 44

Neural tube

Answer 44

CNS

Question 45

Neural crest

Answer 45

Cells that form PNS and ANS, cranial, spinal and autonomic ganglia

Question 46

Epimere

Answer 46

Intrinsic back muscles

Question 47

Hypomere

Answer 47

Ventral body wall muscles

Question 48

What form the pharyngeal arches

Answer 48

Somitomeres

Question 49

Ventral condensations of mesoderm

Answer 49

Flexor muscles

Question 50

Dorsal condensations of mesoderm

Answer 50

Extensor muscles

Question 51

Paraxial mesoderm

Answer 51

Skeletal muscles

Question 52

Visceral/ splanchinic mesoderm

Answer 52

Cardiac muscles

Question 53

Somatic mesoderm

Answer 53

Blood vessels of body wall

Question 54

Ectoderm

Answer 54

Smooth muscles of iris and myoepithelial cells of glands

Question 55

Septum transversum

Answer 55

Central tendon (diaphragm)

Question 56

Pleuroperitoneal membrane

Answer 56

Bulk of muscular part of diaphragm

Question 57

Body wall mesenchyme

Answer 57

Peripheral muscular part of diaphragm

Question 58

Dorsal mesentery

Answer 58

Diaphragmatic crura

Question 59

Median endodermal thickening in the floor of the primordial pharynx- thyroid diverticulum

Answer 59

Thyroid gland

Question 60

1st endocrine gland to develop

Answer 60

Thyroid (24 days after fertilization)

Question 61

Visceral mesoderm (lungs)

Answer 61

Visceral pleura

Question 62

Somatic mesoderm (lungs)

Answer 62

Parietal pleura

Question 63

Metanephrod

Answer 63

Permanent kidneys

Question 64

Ueteric bud

Answer 64

Ureter, renal pelvis, renal calices, collecting tubules

Question 65

Metanephric tubule

Answer 65

Nepron

Question 66

Metanephric mass of mesoderm

Answer 66

Nephron

Question 67

Metanephric diverticulum

Answer 67

Collecting tubule

Question 68

UG, vesical part

Answer 68

Urinary bladder

Question 69

UG, pelvic part

Answer 69

Urethra

Question 70

UG, phallic part

Answer 70

Genital tubercle