Chapter 45, 46, 48 Flashcards
Endocrine system
All hormone secreting glands
Endocrine glands
Hormone system organs
Neurosecretory cells
Hormone secreting cells found in organs (fight or flight syndrome)
Pineal gland
Near the center of the brain
Produces melatonin
Biological clock
Para thyroid
Raises calcium levels in the blood
Glucagon
Alpha
Insulin
Beta
Adrenal gland
Top of the kidneys
3 types of steroids are:
1) androgens
2) estrogen
3) progestins
Parthenogenesis
Egg is developed without fertilization
Hermaphrodite
Female and male body system
Cloaca
Common opening for digestive, excretory, and reproductive systems
Epididymis
Where sperm matures
Vas deferens
Junction point between prostate and urethra
Baculum
Some animals have a small bone that stiffens the penis
Follicles contain…
Immature eggs
Ovulation
Egg is expelled from oviduct
Oviduct
Where fertilization takes place
Fringes
Carry egg to uterus
Cervix
Opening to uterus or vagina and closes during pregnancy
Oogenesis
Egg production
Oxytocin
Secretes milk- positive feedback
Antidiuretic horomone
Regulates osmolarity of the blood
Prolactin
Produces milk
Synapes
Gap between target cells and terminal branch
Ganglain
A cluster of nerve cells
Nerve net
Lack of a nervous system
Cerebrum
Maintains homeostasis
Thalamus
Main input for sensory info
Midbrain
Sends signals to cerebrum
Medulla oblongata
Lowest part of brain, automatic homeostasis
Surprachiasmatic
Biological clock
Negative feedback
Already in homeostasis