Page 37 - Edited - Webster HEAD AND NECK - part 2-Merge PDF

HN 235 THE PALATINE TONSIL (1) HN 235

The palatine tonsil extends I SOFT B
from the soft palate above- PALATE INTRATONSILLAR
CLEFT
where it becomes continuous UVULA

with lymphoid tissue in The PALATINE
TONSIL
soft palate - to the pharyngeal A
tongue below - where it A
becomes continous with “LINGUAL FOR SECTIONS
TONSIL”
the “lingual tonsil”. Unlike OF PHARYNGEAL A-A & B-B,
SEE HN 236
these areas of lymphoid TONGUE
tissue, the palatine tonsil B
SULCUS
Cem be separated with relative ease TERMINALIS

SOFT PALATE from its bed of loose connective (aredor)
tissue deep on
II
PARATONSILLAR the internal surface
POSTERIOR VEIN of the superior
PALATOGLOSSAL ANTERIOR PALATOGLOSSAL constrictor muscle
FOLD FOLD
of the pharynx, the
TONSILLAR ARTERY, lingual and palatine
PIERCING SUPERIOR
CONSTRICTOR accumulations of
MUSCLE OF lymphoid tissue
PHARYNX.
THE TONSIL BED. Cannot : SEE ALSO
The paratonsiller vein & tonsillar artery are indicated
Schematically: NOTICE THAT BOTH MUST PIERCE THE SUPERIOR
CONSTRICTOR MUSCLE (ILLUSTRATED BELOW). SCHEMATIC LATERAL
PARATONSILLAR III EXTERNAL VIEW TO
VEIN DRAINING
The facial artery INTO PTERYGOID SHOW POSITION OF TONSILBED &
Sometimes loops VENOUS BLOOD SUPPLY
PLEXUS
high brough PARATONSILLAR MANDIBULAR VEIN
to reach VEIN DEEP TO DRAINING PTERYGOID
VENOUS PLEXUS (
the level SUP. CONSTRICTORM )
of the SUPERIOR CONSTRICTOR
palatine MUSCLE OF PHAMRYNX
tonsil, frozen ( et seq.)
which it BUCCINATOR M.
is ALWAYS RETRO MANDIBULAR
Separated VEIN → EXTERNAL
by the JUGULAR VEIN
tonsilbed.
K.E.W. POSITION OF ANGLE
POSITION OF FACIAL ARTERY OF MANDIBLE.
PALATINE TONSIL
DEEP TO SUPERIOR TONSILLAR
PHARYNGEAL CONSTRICTOR ARTERY
MUSCLE.