Sat tel - GK

[hoaroak]

22D.Chemical or organic substance essential for life and growth - N?T?I?N?
35D. Archaic name for a type of reference work developed bu Diderot and d'Alembert in 18th century-?Y?L?P?D?A (Cyclopedia?)
49D.A sharp mountain ridge, especially in Switzerland - H?E?E
56A. An official of the College of Arms, ranking above a pursuivant - H???O?
54ASpecies of highly endangered Primates related to Old World monkeys including baboons-D?I??
51D. Coarse cut of meat taken from the shoulder of an ox -?L?D

Help as always, very much appreciated. The brain has really seized up today. Thanks- Hoaroak

[cupid04]

22d] nutrient

[ges7]

22d nutrient
35D cyclopedia
49d arete
56a herald
51a clod
55a drill

[hoaroak]

Thank you very much for the answers. Does anyone know the answer to 56A. An official of the College of Arms, ranking above a pursuivant
Thanks again - Hoaroak

[tyrepill]

56a Herald

[elizabeth ho]

could be herald, I'm not too sure liz