DIENCEPHALON
hypothalamus
thalamus
(metathalamus)
epithalamus
sulcus hypothalamicus
subthalamus

ThalNclPopis
•
•other medial nuclei
THALAMIC NUCLEI

FUNCTIONAL CLASSIFICATION OF THALAMIC NCLL.
specific ncll.
non-specific ncll.
association ncll.
•somatosenzory
•senzory
•motor

ThalNclBezPopis
•SPECIFIC THALAMIC NUCLEI
•somatosenzor. inf.
•by tr. spinothal. and LM
•somatosenzor. inf.
•from trigem. system
•from cerebellum
•from globus
•pallidus and SN
•ncl. corporis geniculati lat. (radiatio optica)
•ncl. corporis geniculati med. (radiatio acustica)

AFFERENTATION OF CORTEX BY
SPECIFIC AND NON-SPECIFIC THALAMIC NCLL.
•
•
•
•
•CORTEX
specific pathway
non-specific pathway
•THALAMUS
•

ThalNclBezPopis
NON-SPECIFIC THALAMIC NUCLEI
•ncll. paraventriculares
•ncll. intralaminares
•ncl. reticularis th.
•CM= ncl. centromedianus

•anterior
•thalamic ncl.
FUNCTIONAL PATHWAYS OF ASSOCIATION THALAMIC NUCLEI
•
•
•
•cortex
•
•
•cortex
•

ThalNclBezPopis
•pulvinar
•
•
•
•ncl. anterior
ASSOCIATION THALAMIC NUCLEI

HYPOTHALAMIC NCLL.
•anterior
•middle
•posterior
•
•
•
•rostral
•dorsal
•
•
•III.
•PERIVENTRICULAR ROW
•MEDIAL ROWS
•
•
•LATERAL
•ROW
•LATERAL
•ROW
•
•
•

diencephHypothNcl
•Basic arrangement of hypothalamic nuclei
•
•ANTERIOR GROUP
•Periventricular row
•Medial row
•
•
•
•MIDDLE GROUP
•POSTERIOR GROUP

•ANTERIOR HYPOTHALAMUS
•
•Ncl. suprachiasmaticus – afferentation from retina - generator
•of circadian rhythms
•
•Ncl. preopticus – different structure in female and male –
•control of individual sexual behavior, behavior associated with
•maternity; regulation of body temperature
•
•Ncl. supraopticus and paraventricularis (magnocellular component) –
•tractus hypothalamo-hypophysialis – transport of hormones into
•neurohypophysis
•
•Ncl. paraventricularis (parvocellular component) - capillary network in
•eminentia medialis – control of adenohypophysis - hypothalamo-
•hypophysial portal pathway

•MIDDLE HYPOTHALAMUS
•
•Ncl. arcuatus - capillary network in eminentia medialis – control of adenohypophysis -
hypothalamo-hypophysial portal pathway
•
•Ncl. ventromedialis – control of food intake (apestat)
•
•Ncl. tuberales - capillary network in eminentia medialis – control of adenohypophysis -
hypothalamo-hypophysial portal pathway

diencephHypofysialTr
•Hypothalamo-hypophysial pathway
•posterior
•lobus of
•hypophysis
•stem
•neurohypophysis
•vasopressin
•antidiuretic
•hormon (ADH)
•paraventricular ncl.
•supraoptic ncl.

diencephPortal
•Hypothalamo-hypophysial portal pathway
•eminentia medialis
•with primary vascular plexus
•hypophysial
•portal vein
•secondary vascular plexus
•Superior hypophyseal artery
•ADENOHYPOPHYSIS
•
•Hormones to
•cavernous sinus