Lecture 23: endocrine organs general concepts & mammae Flashcards
What do endocrine glands not have?
secretory ducts
List the primary endocrine organs (5)
-hypophysis (pituitary gland)
-pineal gland
-thyroid glands
-parathyroid glands
-adrenal glands
List the 3 organs that combine endocrine activity with other fxns
-pancreas: endocrine tissue
-ovary/testis: endocrine tissue
-placenta: endocrine cells
What central depression does the pituitary gland occupy?
sella turcica of basisphenoid bone (hypophyseal fossa)
Name the two sections of the pituitary
adenohypophysis (anterior) and neurohypophysis (posterior)
What connects the pituitary to the adenohypophysis?
portal blood system (median eminence)
What connects the pituitary to the neurohypophysis?
neural stem (capillary plexus)
T/F: The adenohypophysis has the same origin as the neurohypophysis
False; neurohypophysis is an extension of the encephalon, adenohypophysis originates separately
How many thyroid glands is normal?
2, sometimes connected by isthmus
How many parathyroid glands are normal?
4, 2 each side
Color of thyroid
red-brick
Color of parathyroid
pale in contrast to thyroid
What products can exocrine glands secrete?
sweat, tears, saliva, digestive juices, milk
What are mammary glands?
SubQ, enlarged sweat glands
What two things can mammary glands secrete?
Colostrum and milk
