EEG waves are not action potentials.

The EEG waves originate from alternating excitatory and inhibitory synaptic potentials that produce sufficient extracellular current flow across the cortex.

TLS Online TPP Program

#Id: 5703

#Unit 7. System Physiology – Animal

Corticotropin-releasing hormone (CRH) 

Stimulates secretion of ACTH by corticotropes

TLS Online TPP Program

#Id: 5704

#Unit 7. System Physiology – Animal

ACTH (corticotropin) 

controls the secretion of cortisol by the activation of adenylyl cyclase via Galpha s.

TLS Online TPP Program

#Id: 5705

#Unit 7. System Physiology – Animal

The ACTH family is derived from a single precursor,

pro-opiomelanocortin (POMC)

TLS Online TPP Program

#Id: 5706

#Unit 7. System Physiology – Animal

Lactotropes -Prolactin (PRL) promotes mammary gland development and milk production.

TLS Online TPP Program

#Id: 5707

#Unit 7. System Physiology – Animal

GnRH

Stimulates secretion of FSH and LH by gonadotropes

TLS Online TPP Program

#Id: 5708

#Unit 7. System Physiology – Animal

Kallmann syndrome

the combination of hypogonadism due to low levels of circulating gonadotropins (hypogonadotropic hypogonadism) with partial or complete loss of the sense of smell ( hyposmia or anosmia )