Flashcards
Endocrine System Lab #4
Cards in this deck (75)
- 1The ____ system consists of cells, tissues, and organs that secrete hormones as a primary or secondary function.endocrine
- 2What is the primary function of endocrine glands?Secrete hormones directly into surrounding fluid
- 3What are the 5 glands included in the endocrine system?1. pituitary
2. thyroid
3. parathyroid
4. adrenal
5. pineal - 4The pituitary is also referred to as the ___hypophysis
- 5The pituitary is encased in a depression in the sphenoid bone of the skull called the ____ ____sella turcica
- 6The pituitary is composed of the ____ and the ____.adenohypophysis, neurohypophysis
- 7The adenohypophysis is also called the ___ pituitaryanterior
- 8The neurohypophysis is also called the ___ pituitaryposterior
- 9The adenohypophysis and neurohypophysis is connected to the hypothalamus by the ____infundibulum
- 10What are the 6 hormones synthesized and secreted by the adenohypophysis?1. Follicle stimulating hormone
2. Luteinizing hormone
3. Growth hormone
4. Prolactin
5. Adrenocorticotropic hormone
6. Thyroid stimulating hormone - 11What are 2 hormones stored and secreted by the neurohypophysis?Oxytocin and Vasopressin
- 12The thyroid gland is located in the ___ region and is composed of two lobes connected by an ___cervical, isthmus
- 13The thyroid gland is made up of ___ ___thyroid follicles
- 14Thyroid follicles are composed of ___ cells surrounding a colloid called ___follicular, thyroglobulin
- 15Iodinated thyroglobulins are cleaved to create two types of thyroid hormones: T4 (____) and T3 (____)thyroxine, triiodothyronine
- 16Interspersed among thyroid follicles are groups of cells called ____ cells, which synthesize and secrete the hormone ____parafollicular, calcitonin
- 17The adrenal glands sit atop the ____kidneys
- 18Encasing the adrenal glands is the adrenal ____ and lying underneath this fibrous structure is the adrenal ___capsule, cortex
- 19The adrenal cortex, which is composed of three regions - the zona ___, the zona ___, and the zona ____glomerulosa, fasciculata, reticularis
- 20The zona glomerulosa of the adernal gland produces and secretes ___ such as ___mineralocorticoids, aldosterone
- 21The zona fasciculata produces and secretes ___ such as cortisol, ___, and ___glucocorticoids, cortisone, corticosterone
- 22The zona reticularis produces and secretes ___ such as ___ and ___androgens, testosterone, estrogen
- 23In the center of the adrenal gland is the adrenal medulla, which produces ___ such as epinephrine and norepinephrine.catecholamines
- 24The pancreas is composed of a cluster of cells collectively referred to as __ __ __Islets of Langerhans
- 25Islets of Langerhans produce and secrete what 3 hormones?insulin, glucagon, and somatostatin
- 26Surrounding all the islets of langerhans are exocrine cells called ___acini (or acinar)
- 27The ___ gland is located in the posterior portion of the third ventricle and considered part of the epithalamuspineal
- 28The pineal gland secretes the hormone ___melatonin
- 29The thymus is surrounded by a capsule and composed of many ___lobules
- 30Each lobule of the thymus is composed of 2 specific regions, the ___ and ___cortex, medulla
- 31Lobules of the thymus are separated by septa called ___trabeculae
- 32The primary function of the thymus is to aid in the process of __ ___ differentiation and activationT lymphocyte
- 33What are the 3 hormones the thymus produces and secretes?1. thymopoietin
2. thymosin
3. thymulin - 34The __ __ in the testes are the site of spermatogenesisseminiferous tubules
- 35The seminiferous tubules contain __ cells that produces androgens, such as testosterone and __Leydig, dehydroepiandrosterone
- 36The seminiferous tubules contain Sertoli cells that produce ___inhibin
- 37Each ovary is composed of thousands of ___ __ovarian follicles
- 38___ cells in the ovaries produce and secrete androgens, like __thecal, progesterone
- 39The granulosa cells in the ovaries produce and secrete ___, ___, and ___.activins, inhibins, estrogens
- 40The adrenal cortex makes a group of hormones called __corticosteroids
- 41An example of mineralocorticoids is ___aldosterone
- 42An example of glucocorticoids is ___cortisol
- 43An example of gonadocorticoids is __ __sex hormones
- 44Acinar cells of the pancreas produce ___ enzymes and __ __digestive, sodium bicarbonate
- 45Primordial follicles in the ovary contain dormant ___ ___ surrounded by simple ___ ___ cellsprimary oocytes, squamous granulosa
- 46Primary follicles in the ovary contain actively dividing primary oocytes surrounded by simple ___ granulosa cellscuboidal
- 47Secondary follicles of the ovary contain the secondary oocyte, characterized by the first sign of ___ and surrounded by __ __ granulosa cellantrum, stratified cuboidal
- 48The graafian (or ___) follicle in the ovary possessing a well-defined antrum and the secondary ___vesicular, oocyte
- 49The ovum (dormant secondary oocyte) in the ovary is surrounded by zona ___ and ___ ___pellucida, corona radiata
- 50—adrenal
- 51—ovary
- 52—1. adrenal cortex
2. adrenal medulla
- 53—1. neurohypophysis
2. adenohypophysis
3. pituitary gland
4. pineal gland
5. thyroid
6. parathyroid
7. thymus
8. adrenal gland
9. adrenal cortex
10. adrenal medulla
11. pancreas
12. acinar cells
13. langerhans cells
14. testis
15. ovary
- 54—1. adrenal medulla
2. adrenal cortex
3. zona fasciculata
4. adrenal capsule
5. zona reticularis
6. zona glomerulosa - 55—1. granulosa cells
2. thecal cells
3. ovarian follicles
4. ovary
- 56—1. pineal
2. pituitary
- 57—parathyroid
- 58—1. granulosa cells
2. corona radiata
3. zona pellucida
4. ovum
- 59—1. islets of Langerhans
2. acini
- 60—pineal
- 61—pituitary
- 62—1. thymal lobes
2. trabeculae
3. thymus capsule
4. cortex
5. medulla
- 63—1. neurohypophysis
2. adenohypophysis
- 64—1. leydig cells
2. sertoli cells
3. testis
4. seminiferous tubule
- 65—1. parafollicular cells
2. follicular cells
3. thyroglobulin
4. thyroid
5. parathyroid
6. thyroid follicle
- 66—thyroid
- 67—pineal gland
- 68—Graafian (vesicular) follicle
- 69—Leydig cells of testes
- 70—PG - parathyroid gland
TG - thyroid gland
- 71—primary follicles
- 72—seminiferous tubules
- 73—primordial follicles
- 74—secondary follicles
- 75—secondary follicles
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- Biology Flashcards on Endocrine System Lab #4, created by Amanda Slay on 17/02/2022.
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- Amanda Slay
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