lecture 9 anatomy and histology of the endocrine g;lands

Question 1

at day 28 what is forming disproportionately?

Answer 1

heart

Question 2

groove infront of the first arch is the precurser o the

Answer 2

mouth

Question 3

what does the first arch form - bones?

Answer 3

maxilla and mandible

Question 4

where is the pharyngeal arches so you fine ectoderm?

Answer 4

on the outside and just inside the mouth

Question 5

what is the membrane covering the mouth?

Answer 5

oropharyngeal membrane

Question 6

what is the precurser of the pituitary gland?

Answer 6

hyperphyseal diverticulum

Question 7

how does the pituitary gland develop?

Answer 7

neural tube grows downwards and meets ectoderm growing upwards

Question 8

core of the pharyngeal arch

Answer 8

mesoderm

Question 9

the mesoderm core or pharyngeal arches can migrate so are caled?

Answer 9

mesenchyme

Question 10

pouches and grooves?

Answer 10

ectoderm groove oin otside

endoderm pouch on inside

Question 11

what does the mesoderm form?

Answer 11

cartilage, muscles, nerves and arches

Question 12

first pharyngeal arch

Answer 12

muscles of mastication
mandible
trigeminal nerve

Question 13

what is the pituitary gland attatched to the base of the brain by?

Answer 13

infundibulum

Question 14

what is the pituitary gland beghind?

Answer 14

optic chiasm

Question 15

what bone do yoiu find the pituitary gland in?

Answer 15

sphenoid bone

Question 16

what is the structure the pituitary gland is in?

Answer 16

sella turtica

Question 17

what lobes is the pituitary made up of?

Answer 17

anterior and posterior

Question 18

how do the lobes differ?

Answer 18

histologically

Question 19

what is the posteruior lobe derived from?

Answer 19

neural tissue

Question 20

what is the anterior lobe derived from?

Answer 20

oral ectoderm

Question 21

pituitary galnd blood supply characetristic

Answer 21

highly vascular

Question 22

why does the pituitary gland need to be highly vascular?

Answer 22

ductless gland

Question 23

what is the arterial blood supply to the pituitary gland?

Answer 23

superior and inferior hypophyseal

Question 24

venous drainage of pituitary gland?

Answer 24

cavernous sinus

Question 25

where are the cell bodies of the axons of the posterior pituitary gland

Answer 25

hypothalamus

Question 26

cells that stain

Answer 26

chromophils

Question 27

supportive cells of the posterior pituitary gland?

Answer 27

pituicytes

Question 28

thyroid lobes meet at

Answer 28

isthmus

Question 29

what cartilage level is the thyroid

Answer 29

cricoid

Question 30

what fascia is the thyroid bound in

Answer 30

pre tracheal

Question 31

blood supply to the thyroid?

Answer 31

superior and inferior thyrouid

Question 32

what supplies the inferior thyroid

Answer 32

subcalvian supplies the thyrocervical trunk which supplies the inferior thyroid

Question 33

what supplies the superior thyroid

Answer 33

external carotid

Question 34

venous drainage of the thyroid

Answer 34

superior middle and inferior

Question 35

superior thyroid vein goes into

Answer 35

internal jugular

Question 36

middle thyroid vein goes into

Answer 36

internal jugular

Question 37

inferior thyroid vein goes into

Answer 37

brachiocephalic vein

Question 38

precurser of the thyroid

Answer 38

burrows down from tounge

Question 39

how does thyroid move in relation to the hyoid bone

Answer 39

anterior

Question 40

what is the thyroid made up of

Answer 40

follicles

Question 41

rare about thyroid

Answer 41

stores product

Question 42

what are secretory products of thyroid stored in

Answer 42

colloid

Question 43

cells which secrete calcitonin in the thyroid

Answer 43

parafolicular cells or C cells

Question 44

formation of the parathyroid?

Answer 44

2 inferior 2 superior on back of the thyroid

Question 45

blood supply of parathyroid

Answer 45

same as thyroid

Question 46

cells of the parathyroid?

Answer 46

chief cells and oxyphil cells

Question 47

what do chief cells secrete?

Answer 47

PTH

Question 48

what does the lymphoid tissue between arch 2 and 3 form?

Answer 48

paltine tonsil

Question 49

betwen 3 and 4 arch

Answer 49

inferior parathyroid gland

Question 50

under ach 4

Answer 50

superior parathyroid gland

Question 51

where do parafollicular cells come from

Answer 51

under arch 4