Prefrontal Cortex of the Guinea Pig (Cavia porcellus)Defined as Cortical Projection Area of the Thalamic Mediodorsal Nucleus

1981 ◽  
Vol 18 (1-2) ◽  
pp. 80-95 ◽  
Author(s):  
Hans J. Markowitsch ◽  
Monika Pritzel
Keyword(s):  
Prefrontal Cortex ◽  
Guinea Pig ◽  
Projection Area ◽  
Cavia Porcellus ◽  
Cortical Projection ◽  
Mediodorsal Nucleus

Prefrontal Cortex of the Mouse Defined as Cortical Projection Area of the Thalamic Mediodorsal Nucleus

1981 ◽  
Vol 19 (3-4) ◽  
pp. 93-107 ◽  
Author(s):  
Wolfgang O. Guldin ◽  
Monika Pritzel ◽  
Hans J. Markowitsch
Keyword(s):  
Prefrontal Cortex ◽  
Projection Area ◽  
Cortical Projection ◽  
Mediodorsal Nucleus

An olfactory projection area in orbitofrontal cortex of the monkey

1975 ◽  
Vol 38 (5) ◽  
pp. 1269-1283 ◽  
Author(s):  
T. Tanabe ◽  
H. Yarita ◽  
M. Iino ◽  
Y. Ooshima ◽  
S. F. Takagi
Keyword(s):  
Prefrontal Cortex ◽  
Olfactory Bulb ◽  
Evoked Potentials ◽  
Entorhinal Cortex ◽  
Orbitofrontal Cortex ◽  
Projection Area ◽  
Olfactory Pathway ◽  
Mediodorsal Nucleus ◽  
Hypothalamic Region ◽  
Stimulation Of

An olfactory projection area was studied in monkeys anesthetized with Nembutal. 1. Evoked potentials were recorded when the olfactory bulb (OB) was electrically stimulated in the lateroposterior portion of the orbitofrontal cortex (LPOF). However, those potentials disappeared when the anterior pyriform cortex (AP) (probably together with the medial portion of the amygdala (MA)) was aspirated or electrically destroyed. 2. In nearly the entire hypothalamic region, evoked potentials were recorded by the same stimulation of the OB. When the hypothalamic region was stimulated, evoked potentials were recorded in the LPOF. 3. The evoked potentials in the LPOF due to the OB stimulation never disappeared even when the thalamus was extensively aspirated or destroyed electrically, but they did disappear when the anterolateral and dorsoposterior portions of the hypothalamus were absorbed or electrocoagulated. 4. Evoked potentials in the mediodorsal nucleus (MD) of the thalamus were recorded when the OB was stimulated. When this nucleus was stimulated, evoked potentials were observed in the broad extent of the orbitofrontal cortex anterior to the LPOF, but never in the LPOF itself. 5. Monkeys were conditioned to discriminate two odors. When the LPOF was removed, such ability strikingly decreased; but when other areas in the prefrontal cortex were removed, the ability decreased only slightly. 6. It was concluded that there exists an olfactory pathway from the OB to the LPOF through the AP (and probably the MA) and the hypothalamus, but none through the thalamus, and that the LPOF plays an important role in the discrimination of odors. 7. It was proved that the entorhinal cortex (ER) is neither located as an intermediate olfactory area nor is it situated as a higher area than the LPOF in the newly found olfactory pathway stated above. It may be a link between the high olfactory area and the limbic system.

Vestibular and auditory cortical projection in the guinea pig (cavia porcellus)

1973 ◽  
Vol 18 (3) ◽  
Author(s):  
L.M. �dkvist ◽  
A.M. Rubin ◽  
D.W.F. Schwarz ◽  
J.M. Fredrickson
Keyword(s):  
Guinea Pig ◽  
Cavia Porcellus ◽  
Cortical Projection

Design‐based stereological study of the guinea‐pig ( Cavia porcellus ) cerebellum

2021 ◽  
Author(s):  
Margherita De Silva ◽  
Javad Sadeghinezhad ◽  
Jens R. Nyengaard ◽  
Mahdi Aghabalazadeh Asl ◽  
Ava Saeidi ◽  
...  
Keyword(s):  
Guinea Pig ◽  
Cavia Porcellus

Source and stability of attractive components in guinea pig (Cavia porcellus) urine

1973 ◽  
Vol 9 (1) ◽  
pp. 43-47 ◽  
Author(s):  
Gary K. Beauchamp ◽  
Josef Berüter
Keyword(s):  
Guinea Pig ◽  
Cavia Porcellus

Facial reconstructive surgery after tumour removal in a guinea pig (Cavia porcellus)

2021 ◽  
Vol 26 (1) ◽  
pp. 1-4
Author(s):  
Anna Linda Nógrádi ◽  
Judit Kojer ◽  
Dóra Csatári ◽  
Iain Cope ◽  
Tibor Németh
Keyword(s):  
Guinea Pig ◽  
Reconstructive Surgery ◽  
Skin Flap ◽  
Advancement Flap ◽  
Cavia Porcellus ◽  
Post Surgery ◽  
Tumour Removal ◽  
Nerve Sheath ◽  
Peripheral Nerve Sheath Tumour ◽  
Made In

A 2-year-old male guinea pig (Cavia porcellus) presented with a pea-sized swelling on his right labium. The tumour was excised and reconstructive surgery was performed using a single pedicle advancement flap, leaving the bottom of the lip intact on account of it being essential for food apprehension and manipulation. Two parallel skin incisions were made in the rostrocaudal direction for almost half the length of the head and the resulting skin flap was carefully undermined, to avoid damaging the follicles and the muscles of the whiskers. The flap was carefully sutured over the excisional defect and at 1.5 months post-surgery, only a small residual scar remains. The lips are intact, the surgical site is covered with fur and many of the whiskers have regrown. Histopathology showed the excised mass to be a grade 1 soft tissue sarcoma, most likely a malignant peripheral nerve sheath tumour.

Control of the estrous cycle in guinea-pig (Cavia porcellus)

2012 ◽  
Vol 78 (4) ◽  
pp. 842-847 ◽  
Author(s):  
A. Grégoire ◽  
A. Allard ◽  
E. Huamán ◽  
S. León ◽  
R.M. Silva ◽  
...  
Keyword(s):  
Guinea Pig ◽  
Estrous Cycle ◽  
Cavia Porcellus
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