Logan Embryo Final

Front 1

The frontonasal, mandibular, and maxillary prominences form around the?

Back 1

stomodeum

Front 2

Which of the following does not contribute to formation of the face?

Back 2

splanchnic mesoderm

Front 3

Which of the following is a derivative of the 1st pharyngeal arch?

Back 3

sphenomandibular ligament

Front 4

Which of the following is a derivative of the 1st pharyngeal cleft?

Back 4

external auditory meatus

Front 5

The 1st pharyngeal pouch will give rise to the?

Back 5

middle ear cavity

Front 6

The 2nd pharyngeal arch can form the

Back 6

superior part of the hyoid body and its lesser cornua

Front 7

The second pharyngeal cleft helps form the

Back 7

cervical sinus

Front 8

The nerves that are associated with the 1st and 2nd arches are the __________, respectively.

Back 8

trigeminal / facial

Front 9

The 3rd pharyngeal arch is associated the ________ nerve.

Back 9

glossopharyngeal

Front 10

The thymus and inferior parathyroid glands are derivatives of ______________.

Back 10

3rd pharyngeal pouch

Front 11

The superior parathyroid glands are derivatives of the _____________.

Back 11

4th pharyngeal pouch

Front 12

The ultimobranchial body is related to the ______ pouch and it gives rise to C cells
that will _________ serum calcium.

Back 12

5th / decrease

Front 13

The 4th and 6th arches are related to the ________ and ________ nerves, respectively.

Back 13

superior laryngeal / recurrent laryngeal

Front 14

Failure of neural crest migration can result in facial malformations and __________.

Back 14

persistent truncus arteriosus

Front 15

Early tongue development has a median swelling of the 1st pharyngeal arch called which of the following?

Back 15

tuberculum impar

Front 16

The alae of the nose are formed by the _____________.

Back 16

lateral nasal prominences

Front 17

The thyroid gland begins its descent from the _______, in the tongue, and terminates
anterior to the trachea below the thyroid cartilage. Be specific!

Back 17

foramen cecum

Front 18

The nasolacrimal ducts are formed by mergence and fusion of the _________ and __________ prominences.

Back 18

lateral nasal / maxillary

Front 19

The upper lip is formed by the mergence and fusion of the _________ and __________ prominences.

Back 19

medial nasal / maxillary

Front 20

The premaxilla or intermaxillary segment is formed by the ________ prominences.

Back 20

medial nasal

Front 21

Cleft lip is due to failure of the _______________ to fuse.

Back 21

nasomedial and maxillary processes

Front 22

A defect in forebrain development can lead to concurrent problems with facial development called ___________.

Back 22

holoprosencephaly

Front 23

Neural crest cells give rise to ______________ which make _________.

Back 23

odontoblasts / dentin

Front 24

The membranous labyrinth of the inner ear is derived from the ___________.

Back 24

otic placode

Front 25

The otic vesicle is derived from ______________.

Back 25

ectoderm

Front 26

The cochlea is formed by part of the ____________.

Back 26

saccule

Front 27

The semicircular canals are associated with being formed from the ____________.

Back 27

utricle

Front 28

The connection between the saccule and the cochlear duct is the _____________.

Back 28

ductus reuniens

Front 29

Otoliths are associated with the _____________.

Back 29

macula of the utricle and saccule

Front 30

Which of the following makes up a part of the tympanic membrane?

Back 30

mesoderm

Front 31

Which of the following form the external and internal cavities of the ear?

Back 31

1st cleft and pouch

Front 32

The facial nerve innervates the __________ muscle.

Back 32

stapedius

Front 33

Which of the following pairs forms the auricle?

Back 33

1st and 2nd arches

Front 34

The optic vesicles are out growths of the _____________.

Back 34

diencephalon

Front 35

The lens vesicle is derived from _____________.

Back 35

ectoderm

Front 36

Which of the following is not a part of the inner layer of the optic cup?

Back 36

pigment cells

Front 37

The most anterior portion of the retina will form the ___________.

Back 37

iris

Front 38

The blue eyes, seen in newborns or light skinned individuals, is due to which of the following?

Back 38

Light reflecting back from the pigmented layer of the iris

Front 39

The sclera of the eyeball is continuous with which of the following?

Back 39

dura mater

Front 40

The cornea is continuous with the _____________.

Back 40

sclera

Front 41

Which of the following is not a part of the cornea?

Back 41

choroid

Front 42

The shape of the lens is performed by which of the following muscles?

Back 42

ciliary

Front 43

A coloboma is due to a defect in closure of the _____________.

Back 43

choroid fissure

Front 44

The mitotically active layer of the epidermis is the _____________ layer.

Back 44

basal

Front 45

Melanosomes are derived from ______________.

Back 45

neural crest cells

Front 46

Arrector pili muscle is derived from ______________.

Back 46

mesoderm

Front 47

Products of the fetal sebaceous glands accumulate on the surface of the skin as _______.

Back 47

vernix caseosa

Front 48

Formation of a complete mammary gland is known as ___________.

Back 48

polymastia

Front 49

The ____________is also called the midbrain.

Back 49

mesencephalon

Front 50

The optic vesicles are the extension of the ______________.

Back 50

diencephalon

Front 51

. When the production of neuroblasts ceases, the formation of __________ and
ependymal cells begins from neuroepithelial cells.

Back 51

gliablasts

Front 52

In the gray matter are found __________________.

Back 52

protoplasmic astrocytes

Front 53

In the developing spinal cord, the intermediate stratum is called the _______ zone.

Back 53

mantle

Front 54

You will tend to find cell bodies of neurons in the ______________ zone.

Back 54

mantle

Front 55

Which of the following is true?

Back 55

The sulcus limitans separates the basal and alar plates.

Front 56

During development, neurons become assembled into functional networks by growing out axons and dendrites, collectively called ___________.

Back 56

neurites

Front 57

The condition where both meninges and spinal cord protrude from the surface of the body is __________.

Back 57

meningomyelocele

Front 58

The hindbrain is also called the ______________.

Back 58

rhombencephalon

Front 59

The outer layer of the cerebellar cortex is the ___________ layer.

Back 59

molecular

Front 60

The Edinger-Westphal nuclei are found in the ______________.

Back 60

mesencephalon

Front 61

The adenohypophysis develops from ___________ epithelium, also called ___________.

Back 61

ectodermal / Rathke's pouch