Freiburger historische Bestände - digital

J

EXPLANATION

OF

PLATE 21.

septum between the frontal sinuses

sphenoidal sinus (an ©pen continuation of nas. cav. into presph.)
exostoses or separate ossifications in the dura

ethmoturbinale

nasoturbinale

superior, vesicular part of maxilloturbinale

left air-sack

lymphoglan-
dulse retropharyngeal
cart, cricoidea

oesophagus

caudal margin of septum nasi, most of which has been dissected away

fold of the mucons membrane, in which a bent margin of the
nasal cartilage

nasal cartilage

m. crico-thyreoideus

vocal cord

entrance to the left blindsack above the thyreoid cartilage

right blindsack lying above the thyreoid cartilage

thyreoid cartilage

anterior end of cartilaginous septum inserted between the right
and left intermaxillaries

depression in the right side of vomer, in which a fold of the right maxilloturbinale
has had its place
gl. sublingualis

hyoid bone (the quadripartite body through which the vertical line passes are the lymphoglandulfe retropharyngeae)

opening of tuba Eustachii
anterior end of right air-sack

Submedian section through the head of a Tapirus indicus, c. f nat. size. The cut has in the anterior third
of the head gone a little to the left, but on the rest it has gone somewhat to the right, so that on the caudal
end of the nasal cavity the whole of the nasal septum was on the figured half the septum has afterwards
been dissected away -, the brain has been cut through the right hemisphere, and the anterior end of the
medulla spinalis has not at all been hit by the cut. Most of the larynx was also present on the figured half,
but the right side of it has afterwards been taken away.

The epiglottis (e) is here against the ordinary arrangement in Mammals situated below the thick
palatum molle.

The two remarkable blindsacks above the thyreoid cartilage are not present in the American species.
The epiglottis has erroneously been painted blue instead of yellowish as in the other figures of sagittal
sections.